# Input Items

## List input items

`client.responses.inputItems.list(stringresponseID, InputItemListParamsquery?, RequestOptionsoptions?): CursorPage<ResponseItem>`

**get** `/responses/{response_id}/input_items`

Returns a list of input items for a given response.

### Parameters

- `responseID: string`

- `query: InputItemListParams`

  - `after?: string`

    An item ID to list items after, used in pagination.

  - `include?: Array<ResponseIncludable>`

    Additional fields to include in the response. See the `include`
    parameter for Response creation above for more information.

    - `"file_search_call.results"`

    - `"web_search_call.results"`

    - `"web_search_call.action.sources"`

    - `"message.input_image.image_url"`

    - `"computer_call_output.output.image_url"`

    - `"code_interpreter_call.outputs"`

    - `"reasoning.encrypted_content"`

    - `"message.output_text.logprobs"`

  - `limit?: number`

    A limit on the number of objects to be returned. Limit can range between
    1 and 100, and the default is 20.

  - `order?: "asc" | "desc"`

    The order to return the input items in. Default is `desc`.

    - `asc`: Return the input items in ascending order.
    - `desc`: Return the input items in descending order.

    - `"asc"`

    - `"desc"`

### Returns

- `ResponseItem = ResponseInputMessageItem | ResponseOutputMessage | ResponseFileSearchToolCall | 27 more`

  Content item used to generate a response.

  - `ResponseInputMessageItem`

    - `id: string`

      The unique ID of the message input.

    - `content: ResponseInputMessageContentList`

      A list of one or many input items to the model, containing different content
      types.

      - `ResponseInputText`

        A text input to the model.

        - `text: string`

          The text input to the model.

        - `type: "input_text"`

          The type of the input item. Always `input_text`.

          - `"input_text"`

        - `prompt_cache_breakpoint?: PromptCacheBreakpoint`

          Marks the exact end of a reusable prompt prefix. The breakpoint inherits its TTL from the request's `prompt_cache_options.ttl`; the boundary is not rounded to a token block.

          - `mode: "explicit"`

            The breakpoint mode. Always `explicit`.

            - `"explicit"`

      - `ResponseInputImage`

        An image input to the model. Learn about [image inputs](/api/docs/guides/images-vision).

        - `detail: ImageDetail`

          The detail level of the image to be sent to the model. One of `high`, `low`, `auto`, or `original`. Defaults to `auto`.

          - `"low"`

          - `"high"`

          - `"auto"`

          - `"original"`

        - `type: "input_image"`

          The type of the input item. Always `input_image`.

          - `"input_image"`

        - `file_id?: string | null`

          The ID of the file to be sent to the model.

        - `image_url?: string | null`

          The URL of the image to be sent to the model. A fully qualified URL or base64 encoded image in a data URL.

        - `prompt_cache_breakpoint?: PromptCacheBreakpoint`

          Marks the exact end of a reusable prompt prefix. The breakpoint inherits its TTL from the request's `prompt_cache_options.ttl`; the boundary is not rounded to a token block.

          - `mode: "explicit"`

            The breakpoint mode. Always `explicit`.

            - `"explicit"`

      - `ResponseInputFile`

        A file input to the model.

        - `type: "input_file"`

          The type of the input item. Always `input_file`.

          - `"input_file"`

        - `detail?: "auto" | "low" | "high"`

          The detail level of the file to be sent to the model. Use `auto` to let the system select the detail level; for GPT-5.6 and later models, `auto` uses high-quality rendering, which may increase input token usage. Use `low` for lower-cost rendering, or `high` to render the file at higher quality. Defaults to `auto`.

          - `"auto"`

          - `"low"`

          - `"high"`

        - `file_data?: string`

          The content of the file to be sent to the model.

        - `file_id?: string | null`

          The ID of the file to be sent to the model.

        - `file_url?: string`

          The URL of the file to be sent to the model.

        - `filename?: string`

          The name of the file to be sent to the model.

        - `prompt_cache_breakpoint?: PromptCacheBreakpoint`

          Marks the exact end of a reusable prompt prefix. The breakpoint inherits its TTL from the request's `prompt_cache_options.ttl`; the boundary is not rounded to a token block.

          - `mode: "explicit"`

            The breakpoint mode. Always `explicit`.

            - `"explicit"`

    - `role: "user" | "system" | "developer"`

      The role of the message input. One of `user`, `system`, or `developer`.

      - `"user"`

      - `"system"`

      - `"developer"`

    - `type: "message"`

      The type of the message input. Always set to `message`.

      - `"message"`

    - `status?: "in_progress" | "completed" | "incomplete"`

      The status of item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

  - `ResponseOutputMessage`

    An output message from the model.

    - `id: string`

      The unique ID of the output message.

    - `content: Array<ResponseOutputText | ResponseOutputRefusal>`

      The content of the output message.

      - `ResponseOutputText`

        A text output from the model.

        - `annotations: Array<FileCitation | URLCitation | ContainerFileCitation | FilePath>`

          The annotations of the text output.

          - `FileCitation`

            A citation to a file.

            - `file_id: string`

              The ID of the file.

            - `filename: string`

              The filename of the file cited.

            - `index: number`

              The index in the output text at which to insert the file citation.

            - `type: "file_citation"`

              The type of the file citation. Always `file_citation`.

              - `"file_citation"`

          - `URLCitation`

            A citation for a web resource used to generate a model response.

            - `end_index: number`

              The index of the last character of the URL citation in the message.

            - `start_index: number`

              The index of the first character of the URL citation in the message.

            - `title: string`

              The title of the web resource.

            - `type: "url_citation"`

              The type of the URL citation. Always `url_citation`.

              - `"url_citation"`

            - `url: string`

              The URL of the web resource.

          - `ContainerFileCitation`

            A citation for a container file used to generate a model response.

            - `container_id: string`

              The ID of the container file.

            - `end_index: number`

              The index of the last character of the container file citation in the message.

            - `file_id: string`

              The ID of the file.

            - `filename: string`

              The filename of the container file cited.

            - `start_index: number`

              The index of the first character of the container file citation in the message.

            - `type: "container_file_citation"`

              The type of the container file citation. Always `container_file_citation`.

              - `"container_file_citation"`

          - `FilePath`

            A path to a file.

            - `file_id: string`

              The ID of the file.

            - `index: number`

              The index of the file in the list of files.

            - `type: "file_path"`

              The type of the file path. Always `file_path`.

              - `"file_path"`

        - `text: string`

          The text output from the model.

        - `type: "output_text"`

          The type of the output text. Always `output_text`.

          - `"output_text"`

        - `logprobs?: Array<Logprob>`

          - `token: string`

          - `bytes: Array<number>`

          - `logprob: number`

          - `top_logprobs: Array<TopLogprob>`

            - `token: string`

            - `bytes: Array<number>`

            - `logprob: number`

      - `ResponseOutputRefusal`

        A refusal from the model.

        - `refusal: string`

          The refusal explanation from the model.

        - `type: "refusal"`

          The type of the refusal. Always `refusal`.

          - `"refusal"`

    - `role: "assistant"`

      The role of the output message. Always `assistant`.

      - `"assistant"`

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the message input. One of `in_progress`, `completed`, or
      `incomplete`. Populated when input items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "message"`

      The type of the output message. Always `message`.

      - `"message"`

    - `phase?: "commentary" | "final_answer" | null`

      Labels an `assistant` message as intermediate commentary (`commentary`) or the final answer (`final_answer`).
      For models like `gpt-5.3-codex` and beyond, when sending follow-up requests, preserve and resend
      phase on all assistant messages — dropping it can degrade performance. Not used for user messages.

      - `"commentary"`

      - `"final_answer"`

  - `ResponseFileSearchToolCall`

    The results of a file search tool call. See the
    [file search guide](/api/docs/guides/tools-file-search) for more information.

    - `id: string`

      The unique ID of the file search tool call.

    - `queries: Array<string>`

      The queries used to search for files.

    - `status: "in_progress" | "searching" | "completed" | 2 more`

      The status of the file search tool call. One of `in_progress`,
      `searching`, `incomplete` or `failed`,

      - `"in_progress"`

      - `"searching"`

      - `"completed"`

      - `"incomplete"`

      - `"failed"`

    - `type: "file_search_call"`

      The type of the file search tool call. Always `file_search_call`.

      - `"file_search_call"`

    - `results?: Array<Result> | null`

      The results of the file search tool call.

      - `attributes?: Record<string, string | number | boolean> | null`

        Set of 16 key-value pairs that can be attached to an object. This can be
        useful for storing additional information about the object in a structured
        format, and querying for objects via API or the dashboard. Keys are strings
        with a maximum length of 64 characters. Values are strings with a maximum
        length of 512 characters, booleans, or numbers.

        - `string`

        - `number`

        - `boolean`

      - `file_id?: string`

        The unique ID of the file.

      - `filename?: string`

        The name of the file.

      - `score?: number`

        The relevance score of the file - a value between 0 and 1.

      - `text?: string`

        The text that was retrieved from the file.

  - `ResponseComputerToolCall`

    A tool call to a computer use tool. See the
    [computer use guide](/api/docs/guides/tools-computer-use) for more information.

    - `id: string`

      The unique ID of the computer call.

    - `call_id: string`

      An identifier used when responding to the tool call with output.

    - `pending_safety_checks: Array<PendingSafetyCheck>`

      The pending safety checks for the computer call.

      - `id: string`

        The ID of the pending safety check.

      - `code?: string | null`

        The type of the pending safety check.

      - `message?: string | null`

        Details about the pending safety check.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "computer_call"`

      The type of the computer call. Always `computer_call`.

      - `"computer_call"`

    - `action?: Click | DoubleClick | Drag | 6 more`

      A click action.

      - `Click`

        A click action.

        - `button: "left" | "right" | "wheel" | 2 more`

          Indicates which mouse button was pressed during the click. One of `left`, `right`, `wheel`, `back`, or `forward`.

          - `"left"`

          - `"right"`

          - `"wheel"`

          - `"back"`

          - `"forward"`

        - `type: "click"`

          Specifies the event type. For a click action, this property is always `click`.

          - `"click"`

        - `x: number`

          The x-coordinate where the click occurred.

        - `y: number`

          The y-coordinate where the click occurred.

        - `keys?: Array<string> | null`

          The keys being held while clicking.

      - `DoubleClick`

        A double click action.

        - `keys: Array<string> | null`

          The keys being held while double-clicking.

        - `type: "double_click"`

          Specifies the event type. For a double click action, this property is always set to `double_click`.

          - `"double_click"`

        - `x: number`

          The x-coordinate where the double click occurred.

        - `y: number`

          The y-coordinate where the double click occurred.

      - `Drag`

        A drag action.

        - `path: Array<Path>`

          An array of coordinates representing the path of the drag action. Coordinates will appear as an array of objects, eg

          ```
          [
            { x: 100, y: 200 },
            { x: 200, y: 300 }
          ]
          ```

          - `x: number`

            The x-coordinate.

          - `y: number`

            The y-coordinate.

        - `type: "drag"`

          Specifies the event type. For a drag action, this property is always set to `drag`.

          - `"drag"`

        - `keys?: Array<string> | null`

          The keys being held while dragging the mouse.

      - `Keypress`

        A collection of keypresses the model would like to perform.

        - `keys: Array<string>`

          The combination of keys the model is requesting to be pressed. This is an array of strings, each representing a key.

        - `type: "keypress"`

          Specifies the event type. For a keypress action, this property is always set to `keypress`.

          - `"keypress"`

      - `Move`

        A mouse move action.

        - `type: "move"`

          Specifies the event type. For a move action, this property is always set to `move`.

          - `"move"`

        - `x: number`

          The x-coordinate to move to.

        - `y: number`

          The y-coordinate to move to.

        - `keys?: Array<string> | null`

          The keys being held while moving the mouse.

      - `Screenshot`

        A screenshot action.

        - `type: "screenshot"`

          Specifies the event type. For a screenshot action, this property is always set to `screenshot`.

          - `"screenshot"`

      - `Scroll`

        A scroll action.

        - `scroll_x: number`

          The horizontal scroll distance.

        - `scroll_y: number`

          The vertical scroll distance.

        - `type: "scroll"`

          Specifies the event type. For a scroll action, this property is always set to `scroll`.

          - `"scroll"`

        - `x: number`

          The x-coordinate where the scroll occurred.

        - `y: number`

          The y-coordinate where the scroll occurred.

        - `keys?: Array<string> | null`

          The keys being held while scrolling.

      - `Type`

        An action to type in text.

        - `text: string`

          The text to type.

        - `type: "type"`

          Specifies the event type. For a type action, this property is always set to `type`.

          - `"type"`

      - `Wait`

        A wait action.

        - `type: "wait"`

          Specifies the event type. For a wait action, this property is always set to `wait`.

          - `"wait"`

    - `actions?: ComputerActionList`

      Flattened batched actions for `computer_use`. Each action includes an
      `type` discriminator and action-specific fields.

      - `Click`

        A click action.

        - `button: "left" | "right" | "wheel" | 2 more`

          Indicates which mouse button was pressed during the click. One of `left`, `right`, `wheel`, `back`, or `forward`.

          - `"left"`

          - `"right"`

          - `"wheel"`

          - `"back"`

          - `"forward"`

        - `type: "click"`

          Specifies the event type. For a click action, this property is always `click`.

          - `"click"`

        - `x: number`

          The x-coordinate where the click occurred.

        - `y: number`

          The y-coordinate where the click occurred.

        - `keys?: Array<string> | null`

          The keys being held while clicking.

      - `DoubleClick`

        A double click action.

        - `keys: Array<string> | null`

          The keys being held while double-clicking.

        - `type: "double_click"`

          Specifies the event type. For a double click action, this property is always set to `double_click`.

          - `"double_click"`

        - `x: number`

          The x-coordinate where the double click occurred.

        - `y: number`

          The y-coordinate where the double click occurred.

      - `Drag`

        A drag action.

        - `path: Array<Path>`

          An array of coordinates representing the path of the drag action. Coordinates will appear as an array of objects, eg

          ```
          [
            { x: 100, y: 200 },
            { x: 200, y: 300 }
          ]
          ```

          - `x: number`

            The x-coordinate.

          - `y: number`

            The y-coordinate.

        - `type: "drag"`

          Specifies the event type. For a drag action, this property is always set to `drag`.

          - `"drag"`

        - `keys?: Array<string> | null`

          The keys being held while dragging the mouse.

      - `Keypress`

        A collection of keypresses the model would like to perform.

        - `keys: Array<string>`

          The combination of keys the model is requesting to be pressed. This is an array of strings, each representing a key.

        - `type: "keypress"`

          Specifies the event type. For a keypress action, this property is always set to `keypress`.

          - `"keypress"`

      - `Move`

        A mouse move action.

        - `type: "move"`

          Specifies the event type. For a move action, this property is always set to `move`.

          - `"move"`

        - `x: number`

          The x-coordinate to move to.

        - `y: number`

          The y-coordinate to move to.

        - `keys?: Array<string> | null`

          The keys being held while moving the mouse.

      - `Screenshot`

        A screenshot action.

        - `type: "screenshot"`

          Specifies the event type. For a screenshot action, this property is always set to `screenshot`.

          - `"screenshot"`

      - `Scroll`

        A scroll action.

        - `scroll_x: number`

          The horizontal scroll distance.

        - `scroll_y: number`

          The vertical scroll distance.

        - `type: "scroll"`

          Specifies the event type. For a scroll action, this property is always set to `scroll`.

          - `"scroll"`

        - `x: number`

          The x-coordinate where the scroll occurred.

        - `y: number`

          The y-coordinate where the scroll occurred.

        - `keys?: Array<string> | null`

          The keys being held while scrolling.

      - `Type`

        An action to type in text.

        - `text: string`

          The text to type.

        - `type: "type"`

          Specifies the event type. For a type action, this property is always set to `type`.

          - `"type"`

      - `Wait`

        A wait action.

        - `type: "wait"`

          Specifies the event type. For a wait action, this property is always set to `wait`.

          - `"wait"`

  - `ResponseComputerToolCallOutputItem`

    - `id: string`

      The ID of the computer tool call output.

    - `call_id: string`

      The ID of the computer tool call that produced the output.

    - `output: ResponseComputerToolCallOutputScreenshot`

      A computer screenshot image used with the computer use tool.

      - `type: "computer_screenshot"`

        Specifies the event type. For a computer screenshot, this property is
        always set to `computer_screenshot`.

        - `"computer_screenshot"`

      - `file_id?: string`

        The identifier of an uploaded file that contains the screenshot.

      - `image_url?: string`

        The URL of the screenshot image.

    - `status: "completed" | "incomplete" | "failed" | "in_progress"`

      The status of the message input. One of `in_progress`, `completed`, or
      `incomplete`. Populated when input items are returned via API.

      - `"completed"`

      - `"incomplete"`

      - `"failed"`

      - `"in_progress"`

    - `type: "computer_call_output"`

      The type of the computer tool call output. Always `computer_call_output`.

      - `"computer_call_output"`

    - `acknowledged_safety_checks?: Array<AcknowledgedSafetyCheck>`

      The safety checks reported by the API that have been acknowledged by the
      developer.

      - `id: string`

        The ID of the pending safety check.

      - `code?: string | null`

        The type of the pending safety check.

      - `message?: string | null`

        Details about the pending safety check.

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `ResponseFunctionWebSearch`

    The results of a web search tool call. See the
    [web search guide](/api/docs/guides/tools-web-search) for more information.

    - `id: string`

      The unique ID of the web search tool call.

    - `action: Search | OpenPage | FindInPage`

      An object describing the specific action taken in this web search call.
      Includes details on how the model used the web (search, open_page, find_in_page).

      - `Search`

        Action type "search" - Performs a web search query.

        - `type: "search"`

          The action type.

          - `"search"`

        - `queries?: Array<string>`

          The search queries.

        - `query?: string`

          The search query.

        - `sources?: Array<Source>`

          The sources used in the search.

          - `type: "url"`

            The type of source. Always `url`.

            - `"url"`

          - `url: string`

            The URL of the source.

      - `OpenPage`

        Action type "open_page" - Opens a specific URL from search results.

        - `type: "open_page"`

          The action type.

          - `"open_page"`

        - `url?: string | null`

          The URL opened by the model.

      - `FindInPage`

        Action type "find_in_page": Searches for a pattern within a loaded page.

        - `pattern: string`

          The pattern or text to search for within the page.

        - `type: "find_in_page"`

          The action type.

          - `"find_in_page"`

        - `url: string`

          The URL of the page searched for the pattern.

    - `status: "in_progress" | "searching" | "completed" | 2 more`

      The status of the web search tool call.

      - `"in_progress"`

      - `"searching"`

      - `"completed"`

      - `"failed"`

      - `"incomplete"`

    - `type: "web_search_call"`

      The type of the web search tool call. Always `web_search_call`.

      - `"web_search_call"`

  - `ResponseFunctionToolCallItem extends ResponseFunctionToolCall`

    A tool call to run a function. See the
    [function calling guide](/api/docs/guides/function-calling) for more information.

    - `id: string`

      The unique ID of the function tool call.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `ResponseFunctionToolCallOutputItem`

    - `id: string`

      The unique ID of the function call tool output.

    - `output: string | Array<ResponseInputText | ResponseInputImage | ResponseInputFile>`

      The output from the function call generated by your code.
      Can be a string or an list of output content.

      - `string`

      - `Array<ResponseInputText | ResponseInputImage | ResponseInputFile>`

        - `ResponseInputText`

          A text input to the model.

        - `ResponseInputImage`

          An image input to the model. Learn about [image inputs](/api/docs/guides/images-vision).

        - `ResponseInputFile`

          A file input to the model.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "function_call_output"`

      The type of the function tool call output. Always `function_call_output`.

      - `"function_call_output"`

    - `call_id?: string`

      The unique ID of the function tool call generated by the model.

    - `caller?: Direct | Program | null`

      The execution context that produced this tool call.

      - `Direct`

        - `type: "direct"`

          The caller type. Always `direct`.

          - `"direct"`

      - `Program`

        - `caller_id: string`

          The call ID of the program item that produced this tool call.

        - `type: "program"`

          The caller type. Always `program`.

          - `"program"`

    - `created_by?: string`

      The identifier of the actor that created the item.

    - `name?: string`

      The name of the tool that produced the output.

    - `namespace?: string`

      The namespace of the tool that produced the output.

  - `ResponseToolSearchCall`

    - `id: string`

      The unique ID of the tool search call item.

    - `arguments: unknown`

      Arguments used for the tool search call.

    - `call_id: string | null`

      The unique ID of the tool search call generated by the model.

    - `execution: "server" | "client"`

      Whether tool search was executed by the server or by the client.

      - `"server"`

      - `"client"`

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the tool search call item that was recorded.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "tool_search_call"`

      The type of the item. Always `tool_search_call`.

      - `"tool_search_call"`

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `ResponseToolSearchOutputItem`

    - `id: string`

      The unique ID of the tool search output item.

    - `call_id: string | null`

      The unique ID of the tool search call generated by the model.

    - `execution: "server" | "client"`

      Whether tool search was executed by the server or by the client.

      - `"server"`

      - `"client"`

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the tool search output item that was recorded.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `tools: Array<Tool>`

      The loaded tool definitions returned by tool search.

      - `FunctionTool`

        Defines a function in your own code the model can choose to call. Learn more about [function calling](/api/docs/guides/function-calling).

        - `name: string`

          The name of the function to call.

        - `parameters: Record<string, unknown> | null`

          A JSON schema object describing the parameters of the function.

        - `strict: boolean | null`

          Whether strict parameter validation is enforced for this function tool.

        - `type: "function"`

          The type of the function tool. Always `function`.

          - `"function"`

        - `allowed_callers?: Array<"direct" | "programmatic"> | null`

          The tool invocation context(s).

          - `"direct"`

          - `"programmatic"`

        - `async?: boolean`

        - `defer_loading?: boolean`

          Whether this function is deferred and loaded via tool search.

        - `description?: string | null`

          A description of the function. Used by the model to determine whether or not to call the function.

        - `output_schema?: Record<string, unknown> | null`

          A JSON schema object describing the JSON value encoded in string outputs for this function.

      - `FileSearchTool`

        A tool that searches for relevant content from uploaded files. Learn more about the [file search tool](/api/docs/guides/tools-file-search).

        - `type: "file_search"`

          The type of the file search tool. Always `file_search`.

          - `"file_search"`

        - `vector_store_ids: Array<string>`

          The IDs of the vector stores to search.

        - `filters?: ComparisonFilter | CompoundFilter | null`

          A filter to apply.

          - `ComparisonFilter`

            A filter used to compare a specified attribute key to a given value using a defined comparison operation.

            - `key: string`

              The key to compare against the value.

            - `type: "eq" | "ne" | "gt" | 5 more`

              Specifies the comparison operator: `eq`, `ne`, `gt`, `gte`, `lt`, `lte`, `in`, `nin`.

              - `eq`: equals
              - `ne`: not equal
              - `gt`: greater than
              - `gte`: greater than or equal
              - `lt`: less than
              - `lte`: less than or equal
              - `in`: in
              - `nin`: not in

              - `"eq"`

              - `"ne"`

              - `"gt"`

              - `"gte"`

              - `"lt"`

              - `"lte"`

              - `"in"`

              - `"nin"`

            - `value: string | number | boolean | Array<string | number>`

              The value to compare against the attribute key; supports string, number, or boolean types.

              - `string`

              - `number`

              - `boolean`

              - `Array<string | number>`

                - `string`

                - `number`

          - `CompoundFilter`

            Combine multiple filters using `and` or `or`.

            - `filters: Array<ComparisonFilter | unknown>`

              Array of filters to combine. Items can be `ComparisonFilter` or `CompoundFilter`.

              - `ComparisonFilter`

                A filter used to compare a specified attribute key to a given value using a defined comparison operation.

              - `unknown`

            - `type: "and" | "or"`

              Type of operation: `and` or `or`.

              - `"and"`

              - `"or"`

        - `max_num_results?: number`

          The maximum number of results to return. This number should be between 1 and 50 inclusive.

        - `ranking_options?: RankingOptions`

          Ranking options for search.

          - `hybrid_search?: HybridSearch`

            Weights that control how reciprocal rank fusion balances semantic embedding matches versus sparse keyword matches when hybrid search is enabled.

            - `embedding_weight: number`

              The weight of the embedding in the reciprocal ranking fusion.

            - `text_weight: number`

              The weight of the text in the reciprocal ranking fusion.

          - `ranker?: "auto" | "default-2024-11-15"`

            The ranker to use for the file search.

            - `"auto"`

            - `"default-2024-11-15"`

          - `score_threshold?: number`

            The score threshold for the file search, a number between 0 and 1. Numbers closer to 1 will attempt to return only the most relevant results, but may return fewer results.

      - `ComputerTool`

        A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

        - `type: "computer"`

          The type of the computer tool. Always `computer`.

          - `"computer"`

      - `ComputerUsePreviewTool`

        A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

        - `display_height: number`

          The height of the computer display.

        - `display_width: number`

          The width of the computer display.

        - `environment: "windows" | "mac" | "linux" | 2 more`

          The type of computer environment to control.

          - `"windows"`

          - `"mac"`

          - `"linux"`

          - `"ubuntu"`

          - `"browser"`

        - `type: "computer_use_preview"`

          The type of the computer use tool. Always `computer_use_preview`.

          - `"computer_use_preview"`

      - `WebSearchTool`

        Search the Internet for sources related to the prompt. Learn more about the
        [web search tool](/api/docs/guides/tools-web-search).

        - `type: "web_search" | "web_search_2025_08_26"`

          The type of the web search tool. One of `web_search` or `web_search_2025_08_26`.

          - `"web_search"`

          - `"web_search_2025_08_26"`

        - `external_web_access?: boolean`

          Allow live internet access for web search. Defaults to true when omitted. When false, the web search tool runs in offline/cache-only mode and will not fetch new external content.

        - `filters?: Filters | null`

          Filters for the search.

          - `allowed_domains?: Array<string> | null`

            Allowed domains for the search. If not provided, all domains are allowed.
            Subdomains of the provided domains are allowed as well.

            Example: `["pubmed.ncbi.nlm.nih.gov"]`

        - `search_context_size?: "low" | "medium" | "high"`

          High level guidance for the amount of context window space to use for the search. One of `low`, `medium`, or `high`. `medium` is the default.

          - `"low"`

          - `"medium"`

          - `"high"`

        - `user_location?: UserLocation | null`

          The approximate location of the user. If omitted or null, defaults to the
          United States. To avoid this fallback, pass `{"type": "approximate"}` without
          location fields. To localize results, provide the relevant location fields.

          - `city?: string | null`

            Free text input for the city of the user, e.g. `San Francisco`.

          - `country?: string | null`

            The two-letter [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1) of the user, e.g. `US`.

          - `region?: string | null`

            Free text input for the region of the user, e.g. `California`.

          - `timezone?: string | null`

            The [IANA timezone](https://timeapi.io/documentation/iana-timezones) of the user, e.g. `America/Los_Angeles`.

          - `type?: "approximate"`

            The type of location approximation. Always `approximate`.

            - `"approximate"`

      - `Mcp`

        Give the model access to additional tools via remote Model Context Protocol
        (MCP) servers. [Learn more about MCP](/api/docs/guides/tools-connectors-mcp).

        - `server_label: string`

          A label for this MCP server, used to identify it in tool calls.

        - `type: "mcp"`

          The type of the MCP tool. Always `mcp`.

          - `"mcp"`

        - `allowed_callers?: Array<"direct" | "programmatic"> | null`

          The tool invocation context(s).

          - `"direct"`

          - `"programmatic"`

        - `allowed_tools?: Array<string> | McpToolFilter | null`

          List of allowed tool names or a filter object.

          - `Array<string>`

          - `McpToolFilter`

            A filter object to specify which tools are allowed.

            - `read_only?: boolean`

              Indicates whether or not a tool modifies data or is read-only. If an
              MCP server is [annotated with `readOnlyHint`](https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations-readonlyhint),
              it will match this filter.

            - `tool_names?: Array<string>`

              List of allowed tool names.

        - `authorization?: string`

          An OAuth access token that can be used with a remote MCP server, either
          with a custom MCP server URL or a service connector. Your application
          must handle the OAuth authorization flow and provide the token here.

        - `connector_id?: "connector_dropbox" | "connector_gmail" | "connector_googlecalendar" | 5 more`

          Identifier for service connectors, like those available in ChatGPT. One of
          `server_url`, `connector_id`, or `tunnel_id` must be provided. Learn more
          about service connectors [here](/api/docs/guides/tools-connectors-mcp#connectors).

          This field is deprecated for models released after September 1, 2026.
          Use `server_url` to connect to a remote MCP server, or `tunnel_id` to
          connect through a Secure MCP Tunnel.

          Currently supported `connector_id` values are:

          - Dropbox: `connector_dropbox`
          - Gmail: `connector_gmail`
          - Google Calendar: `connector_googlecalendar`
          - Google Drive: `connector_googledrive`
          - Microsoft Teams: `connector_microsoftteams`
          - Outlook Calendar: `connector_outlookcalendar`
          - Outlook Email: `connector_outlookemail`
          - SharePoint: `connector_sharepoint`

          - `"connector_dropbox"`

          - `"connector_gmail"`

          - `"connector_googlecalendar"`

          - `"connector_googledrive"`

          - `"connector_microsoftteams"`

          - `"connector_outlookcalendar"`

          - `"connector_outlookemail"`

          - `"connector_sharepoint"`

        - `defer_loading?: boolean`

          Whether this MCP tool is deferred and discovered via tool search.

        - `headers?: Record<string, string> | null`

          Optional HTTP headers to send to the MCP server. Use for authentication
          or other purposes.

        - `require_approval?: McpToolApprovalFilter | "always" | "never" | null`

          Specify which of the MCP server's tools require approval.

          - `McpToolApprovalFilter`

            Specify which of the MCP server's tools require approval. Can be
            `always`, `never`, or a filter object associated with tools
            that require approval.

            - `always?: Always`

              A filter object to specify which tools are allowed.

              - `read_only?: boolean`

                Indicates whether or not a tool modifies data or is read-only. If an
                MCP server is [annotated with `readOnlyHint`](https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations-readonlyhint),
                it will match this filter.

              - `tool_names?: Array<string>`

                List of allowed tool names.

            - `never?: Never`

              A filter object to specify which tools are allowed.

              - `read_only?: boolean`

                Indicates whether or not a tool modifies data or is read-only. If an
                MCP server is [annotated with `readOnlyHint`](https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations-readonlyhint),
                it will match this filter.

              - `tool_names?: Array<string>`

                List of allowed tool names.

          - `"always" | "never"`

            - `"always"`

            - `"never"`

        - `server_description?: string`

          Optional description of the MCP server, used to provide more context.

        - `server_url?: string`

          The URL for the MCP server. One of `server_url`, `connector_id`, or
          `tunnel_id` must be provided.

        - `tunnel_id?: string`

          The Secure MCP Tunnel ID to use instead of a direct server URL. One of
          `server_url`, `connector_id`, or `tunnel_id` must be provided.

      - `CodeInterpreter`

        A tool that runs Python code to help generate a response to a prompt.

        - `container: string | CodeInterpreterToolAuto`

          The code interpreter container. Can be a container ID or an object that
          specifies uploaded file IDs to make available to your code, along with an
          optional `memory_limit` setting.

          - `string`

          - `CodeInterpreterToolAuto`

            Configuration for a code interpreter container. Optionally specify the IDs of the files to run the code on.

            - `type: "auto"`

              Always `auto`.

              - `"auto"`

            - `file_ids?: Array<string>`

              An optional list of uploaded files to make available to your code.

            - `memory_limit?: "1g" | "4g" | "16g" | "64g" | null`

              The memory limit for the code interpreter container.

              - `"1g"`

              - `"4g"`

              - `"16g"`

              - `"64g"`

            - `network_policy?: ContainerNetworkPolicyDisabled | ContainerNetworkPolicyAllowlist`

              Network access policy for the container.

              - `ContainerNetworkPolicyDisabled`

                - `type: "disabled"`

                  Disable outbound network access. Always `disabled`.

                  - `"disabled"`

              - `ContainerNetworkPolicyAllowlist`

                - `allowed_domains: Array<string>`

                  A list of allowed domains when type is `allowlist`.

                - `type: "allowlist"`

                  Allow outbound network access only to specified domains. Always `allowlist`.

                  - `"allowlist"`

                - `domain_secrets?: Array<ContainerNetworkPolicyDomainSecret>`

                  Optional domain-scoped secrets for allowlisted domains.

                  - `domain: string`

                    The domain associated with the secret.

                  - `name: string`

                    The name of the secret to inject for the domain.

                  - `value: string`

                    The secret value to inject for the domain.

        - `type: "code_interpreter"`

          The type of the code interpreter tool. Always `code_interpreter`.

          - `"code_interpreter"`

        - `allowed_callers?: Array<"direct" | "programmatic"> | null`

          The tool invocation context(s).

          - `"direct"`

          - `"programmatic"`

      - `ProgrammaticToolCalling`

        - `type: "programmatic_tool_calling"`

          The type of the tool. Always `programmatic_tool_calling`.

          - `"programmatic_tool_calling"`

      - `ImageGeneration`

        A tool that generates images using the GPT image models.

        - `type: "image_generation"`

          The type of the image generation tool. Always `image_generation`.

          - `"image_generation"`

        - `action?: "generate" | "edit" | "auto"`

          Whether to generate a new image or edit an existing image. Default: `auto`.

          - `"generate"`

          - `"edit"`

          - `"auto"`

        - `background?: "transparent" | "opaque" | "auto"`

          Allows to set transparency for the background of the generated image(s). Must
          be one of `transparent`, `opaque`, or `auto` (default value). When `auto` is
          used, the model will automatically determine the best background for the
          image.

          `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`, including their
          `2026-09-08` snapshots, support `opaque` and `transparent` backgrounds.
          Transparent backgrounds are available for supported GPT Image models. For
          `gpt-image-2` and `gpt-image-2-2026-04-21`, this support is in preview. When
          using `transparent`, set the output format to `png` or `webp`.

          - `"transparent"`

          - `"opaque"`

          - `"auto"`

        - `input_fidelity?: "high" | "low" | null`

          Control how much effort the model will exert to match the style and features, especially facial features, of input images. Supports `high` and `low` on `gpt-image-1` and `gpt-image-1.5`; `gpt-image-1-mini` supports only `low`. For `gpt-image-2`, omit this parameter. Defaults to `low` on supported models.

          - `"high"`

          - `"low"`

        - `input_image_mask?: InputImageMask`

          Optional mask for inpainting. Contains `image_url`
          (string, optional) and `file_id` (string, optional).

          - `file_id?: string`

            File ID for the mask image.

          - `image_url?: string`

            Base64-encoded mask image.

        - `model?: (string & {}) | "gpt-image-1" | "gpt-image-1-mini" | "gpt-image-2" | 7 more`

          The image generation model to use. One of `gpt-image-1`,
          `gpt-image-1-mini`, `gpt-image-1.5`, `gpt-image-2`,
          `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`,
          `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`,
          `gpt-image-2.5-flare-2026-09-08`, or `chatgpt-image-latest`. Default:
          `gpt-image-1`.

          - `(string & {})`

          - `"gpt-image-1" | "gpt-image-1-mini" | "gpt-image-2" | 7 more`

            - `"gpt-image-1"`

            - `"gpt-image-1-mini"`

            - `"gpt-image-2"`

            - `"gpt-image-2-2026-04-21"`

            - `"gpt-image-2.5-sunburst"`

            - `"gpt-image-2.5-sunburst-2026-09-08"`

            - `"gpt-image-2.5-flare"`

            - `"gpt-image-2.5-flare-2026-09-08"`

            - `"gpt-image-1.5"`

            - `"chatgpt-image-latest"`

        - `moderation?: "auto" | "low"`

          Moderation level for the generated image. Default: `auto`.

          - `"auto"`

          - `"low"`

        - `output_compression?: number`

          Compression level for the output image. Default: 100.

        - `output_format?: "png" | "webp" | "jpeg"`

          The output format of the generated image. One of `png`, `webp`, or
          `jpeg`. Default: `png`.

          - `"png"`

          - `"webp"`

          - `"jpeg"`

        - `partial_images?: number`

          Number of partial images to generate in streaming mode, from 0 (default value) to 3.

        - `quality?: "low" | "medium" | "high" | 3 more`

          The quality of the generated image. The GPT image models support `low`,
          `medium`, and `high`. `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`,
          including their `2026-09-08` snapshots, also support `xhigh` and `max`.
          Default: `auto`.

          - `"low"`

          - `"medium"`

          - `"high"`

          - `"xhigh"`

          - `"max"`

          - `"auto"`

        - `size?: (string & {}) | "1024x1024" | "1024x1536" | "1536x1024" | "auto"`

          The size of the generated images. For `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`, arbitrary resolutions are supported as `WIDTHxHEIGHT` strings, for example `1536x864`. Width and height must both be divisible by 16 and the requested aspect ratio must be between 1:3 and 3:1. Resolutions above `2560x1440` are experimental, and the maximum supported resolution is `3840x2160`. The requested size must also satisfy the model's current pixel and edge limits. The standard sizes `1024x1024`, `1536x1024`, and `1024x1536` are supported by the GPT image models; `auto` is supported for models that allow automatic sizing.

          - `(string & {})`

          - `"1024x1024" | "1024x1536" | "1536x1024" | "auto"`

            - `"1024x1024"`

            - `"1024x1536"`

            - `"1536x1024"`

            - `"auto"`

      - `LocalShell`

        A tool that allows the model to execute shell commands in a local environment.

        - `type: "local_shell"`

          The type of the local shell tool. Always `local_shell`.

          - `"local_shell"`

      - `FunctionShellTool`

        A tool that allows the model to execute shell commands.

        - `type: "shell"`

          The type of the shell tool. Always `shell`.

          - `"shell"`

        - `allowed_callers?: Array<"direct" | "programmatic"> | null`

          The tool invocation context(s).

          - `"direct"`

          - `"programmatic"`

        - `environment?: ContainerAuto | LocalEnvironment | ContainerReference | null`

          - `ContainerAuto`

            - `type: "container_auto"`

              Automatically creates a container for this request

              - `"container_auto"`

            - `file_ids?: Array<string>`

              An optional list of uploaded files to make available to your code.

            - `memory_limit?: "1g" | "4g" | "16g" | "64g" | null`

              The memory limit for the container.

              - `"1g"`

              - `"4g"`

              - `"16g"`

              - `"64g"`

            - `network_policy?: ContainerNetworkPolicyDisabled | ContainerNetworkPolicyAllowlist`

              Network access policy for the container.

              - `ContainerNetworkPolicyDisabled`

              - `ContainerNetworkPolicyAllowlist`

            - `skills?: Array<SkillReference | InlineSkill>`

              An optional list of skills referenced by id or inline data.

              - `SkillReference`

                - `skill_id: string`

                  The ID of the referenced skill.

                - `type: "skill_reference"`

                  References a skill created with the /v1/skills endpoint.

                  - `"skill_reference"`

                - `version?: string`

                  Optional skill version. Use a positive integer or 'latest'. Omit for default.

              - `InlineSkill`

                - `description: string`

                  The description of the skill.

                - `name: string`

                  The name of the skill.

                - `source: InlineSkillSource`

                  Inline skill payload

                  - `data: string`

                    Base64-encoded skill zip bundle.

                  - `media_type: "application/zip"`

                    The media type of the inline skill payload. Must be `application/zip`.

                    - `"application/zip"`

                  - `type: "base64"`

                    The type of the inline skill source. Must be `base64`.

                    - `"base64"`

                - `type: "inline"`

                  Defines an inline skill for this request.

                  - `"inline"`

          - `LocalEnvironment`

            - `type: "local"`

              Use a local computer environment.

              - `"local"`

            - `skills?: Array<LocalSkill>`

              An optional list of skills.

              - `description: string`

                The description of the skill.

              - `name: string`

                The name of the skill.

              - `path: string`

                The path to the directory containing the skill.

          - `ContainerReference`

            - `container_id: string`

              The ID of the referenced container.

            - `type: "container_reference"`

              References a container created with the /v1/containers endpoint

              - `"container_reference"`

      - `CustomTool`

        A custom tool that processes input using a specified format. Learn more about   [custom tools](/api/docs/guides/function-calling#custom-tools)

        - `name: string`

          The name of the custom tool, used to identify it in tool calls.

        - `type: "custom"`

          The type of the custom tool. Always `custom`.

          - `"custom"`

        - `allowed_callers?: Array<"direct" | "programmatic"> | null`

          The tool invocation context(s).

          - `"direct"`

          - `"programmatic"`

        - `async?: boolean`

          Whether the tool response can be returned asynchronously versus immediately returned on next response creation.

        - `defer_loading?: boolean`

          Whether this tool should be deferred and discovered via tool search.

        - `description?: string`

          Optional description of the custom tool, used to provide more context.

        - `format?: CustomToolInputFormat`

          The input format for the custom tool. Default is unconstrained text.

          - `Text`

            Unconstrained free-form text.

            - `type: "text"`

              Unconstrained text format. Always `text`.

              - `"text"`

          - `Grammar`

            A grammar defined by the user.

            - `definition: string`

              The grammar definition.

            - `syntax: "lark" | "regex"`

              The syntax of the grammar definition. One of `lark` or `regex`.

              - `"lark"`

              - `"regex"`

            - `type: "grammar"`

              Grammar format. Always `grammar`.

              - `"grammar"`

      - `NamespaceTool`

        Groups function/custom tools under a shared namespace.

        - `description: string`

          A description of the namespace shown to the model.

        - `name: string`

          The namespace name used in tool calls (for example, `crm`).

        - `tools: Array<Function | CustomTool>`

          The function/custom tools available inside this namespace.

          - `Function`

            - `name: string`

            - `type: "function"`

              - `"function"`

            - `allowed_callers?: Array<"direct" | "programmatic"> | null`

              The tool invocation context(s).

              - `"direct"`

              - `"programmatic"`

            - `async?: boolean`

              Whether the tool response can be returned asynchronously versus immediately returned on next response creation.

            - `defer_loading?: boolean`

              Whether this function should be deferred and discovered via tool search.

            - `description?: string | null`

            - `output_schema?: Record<string, unknown> | null`

              A JSON Schema describing the JSON value encoded in string outputs for this function tool. This does not describe content-array outputs.

            - `parameters?: unknown`

            - `strict?: boolean | null`

              Whether to enforce strict parameter validation. If omitted, Responses attempts to use strict validation when the schema is compatible, and falls back to non-strict validation otherwise.

          - `CustomTool`

            A custom tool that processes input using a specified format. Learn more about   [custom tools](/api/docs/guides/function-calling#custom-tools)

        - `type: "namespace"`

          The type of the tool. Always `namespace`.

          - `"namespace"`

      - `ToolSearchTool`

        Hosted or BYOT tool search configuration for deferred tools.

        - `type: "tool_search"`

          The type of the tool. Always `tool_search`.

          - `"tool_search"`

        - `description?: string | null`

          Description shown to the model for a client-executed tool search tool.

        - `execution?: "server" | "client"`

          Whether tool search is executed by the server or by the client.

          - `"server"`

          - `"client"`

        - `parameters?: unknown`

          Parameter schema for a client-executed tool search tool.

      - `WebSearchPreviewTool`

        This tool searches the web for relevant results to use in a response. Learn more about the [web search tool](/api/docs/guides/tools-web-search).

        - `type: "web_search_preview" | "web_search_preview_2025_03_11"`

          The type of the web search tool. One of `web_search_preview` or `web_search_preview_2025_03_11`.

          - `"web_search_preview"`

          - `"web_search_preview_2025_03_11"`

        - `search_content_types?: Array<"text" | "image">`

          - `"text"`

          - `"image"`

        - `search_context_size?: "low" | "medium" | "high"`

          High level guidance for the amount of context window space to use for the search. One of `low`, `medium`, or `high`. `medium` is the default.

          - `"low"`

          - `"medium"`

          - `"high"`

        - `user_location?: UserLocation | null`

          The approximate location of the user. If omitted or null, defaults to the United States. To avoid this fallback, pass `{"type": "approximate"}` without location fields. To localize results, provide the relevant location fields.

          - `type: "approximate"`

            The type of location approximation. Always `approximate`.

            - `"approximate"`

          - `city?: string | null`

            Free text input for the city of the user, e.g. `San Francisco`.

          - `country?: string | null`

            The two-letter [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1) of the user, e.g. `US`.

          - `region?: string | null`

            Free text input for the region of the user, e.g. `California`.

          - `timezone?: string | null`

            The [IANA timezone](https://timeapi.io/documentation/iana-timezones) of the user, e.g. `America/Los_Angeles`.

      - `ApplyPatchTool`

        Allows the assistant to create, delete, or update files using unified diffs.

        - `type: "apply_patch"`

          The type of the tool. Always `apply_patch`.

          - `"apply_patch"`

        - `allowed_callers?: Array<"direct" | "programmatic"> | null`

          The tool invocation context(s).

          - `"direct"`

          - `"programmatic"`

    - `type: "tool_search_output"`

      The type of the item. Always `tool_search_output`.

      - `"tool_search_output"`

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `AdditionalTools`

    - `id: string`

      The unique ID of the additional tools item.

    - `role: "unknown" | "user" | "assistant" | 5 more`

      The role that provided the additional tools.

      - `"unknown"`

      - `"user"`

      - `"assistant"`

      - `"system"`

      - `"critic"`

      - `"discriminator"`

      - `"developer"`

      - `"tool"`

    - `tools: Array<Tool>`

      The additional tool definitions made available at this item.

      - `FunctionTool`

        Defines a function in your own code the model can choose to call. Learn more about [function calling](/api/docs/guides/function-calling).

      - `FileSearchTool`

        A tool that searches for relevant content from uploaded files. Learn more about the [file search tool](/api/docs/guides/tools-file-search).

      - `ComputerTool`

        A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

      - `ComputerUsePreviewTool`

        A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

      - `WebSearchTool`

        Search the Internet for sources related to the prompt. Learn more about the
        [web search tool](/api/docs/guides/tools-web-search).

      - `Mcp`

        Give the model access to additional tools via remote Model Context Protocol
        (MCP) servers. [Learn more about MCP](/api/docs/guides/tools-connectors-mcp).

      - `CodeInterpreter`

        A tool that runs Python code to help generate a response to a prompt.

      - `ProgrammaticToolCalling`

      - `ImageGeneration`

        A tool that generates images using the GPT image models.

      - `LocalShell`

        A tool that allows the model to execute shell commands in a local environment.

      - `FunctionShellTool`

        A tool that allows the model to execute shell commands.

      - `CustomTool`

        A custom tool that processes input using a specified format. Learn more about   [custom tools](/api/docs/guides/function-calling#custom-tools)

      - `NamespaceTool`

        Groups function/custom tools under a shared namespace.

      - `ToolSearchTool`

        Hosted or BYOT tool search configuration for deferred tools.

      - `WebSearchPreviewTool`

        This tool searches the web for relevant results to use in a response. Learn more about the [web search tool](/api/docs/guides/tools-web-search).

      - `ApplyPatchTool`

        Allows the assistant to create, delete, or update files using unified diffs.

    - `type: "additional_tools"`

      The type of the item. Always `additional_tools`.

      - `"additional_tools"`

  - `ResponseConfigurationUpdateItem`

    A configuration update that applies to subsequent responses until it is
    replaced by another configuration update.

    - `id: string`

      The unique ID of the configuration update item.

    - `type: "configuration_update"`

      The item type. Always `configuration_update`.

      - `"configuration_update"`

    - `reasoning?: Reasoning`

      The reasoning configuration applied by this update.

      - `effort?: ReasoningEffort | null`

        The reasoning effort used for subsequent responses until another
        configuration update replaces it.

        - `"none"`

        - `"minimal"`

        - `"low"`

        - `"medium"`

        - `"high"`

        - `"xhigh"`

        - `"max"`

  - `ResponseReasoningItem`

    A description of the chain of thought used by a reasoning model while generating
    a response. Be sure to include these items in your `input` to the Responses API
    for subsequent turns of a conversation if you are manually
    [managing context](/api/docs/guides/conversation-state).

    - `id: string`

      The unique identifier of the reasoning content.

    - `summary: Array<Summary>`

      Reasoning summary content.

      - `text: string`

        A summary of the reasoning output from the model so far.

      - `type: "summary_text"`

        The type of the object. Always `summary_text`.

        - `"summary_text"`

    - `type: "reasoning"`

      The type of the object. Always `reasoning`.

      - `"reasoning"`

    - `content?: Array<Content>`

      Reasoning text content.

      - `text: string`

        The reasoning text from the model.

      - `type: "reasoning_text"`

        The type of the reasoning text. Always `reasoning_text`.

        - `"reasoning_text"`

    - `encrypted_content?: string | null`

      The encrypted content of the reasoning item. This is populated by default
      for reasoning items returned by `POST /v1/responses` and WebSocket
      `response.create` requests.

      When streaming, use the completed reasoning item and its
      `encrypted_content` from the `response.output_item.done` event in
      subsequent requests. The `encrypted_content` in
      `response.output_item.added` may be incomplete. This is especially
      important when `store` is `false` or when using Zero Data Retention.

    - `status?: "in_progress" | "completed" | "incomplete"`

      The status of the item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

  - `Program`

    - `id: string`

      The unique ID of the program item.

    - `call_id: string`

      The stable call ID of the program item.

    - `code: string`

      The JavaScript source executed by programmatic tool calling.

    - `fingerprint: string`

      Opaque program replay fingerprint that must be round-tripped.

    - `type: "program"`

      The type of the item. Always `program`.

      - `"program"`

  - `ProgramOutput`

    - `id: string`

      The unique ID of the program output item.

    - `call_id: string`

      The call ID of the program item.

    - `result: string`

      The result produced by the program item.

    - `status: "completed" | "incomplete"`

      The terminal status of the program output item.

      - `"completed"`

      - `"incomplete"`

    - `type: "program_output"`

      The type of the item. Always `program_output`.

      - `"program_output"`

  - `ResponseCompactionItem`

    A compaction item generated by the [`v1/responses/compact` API](/api/reference/resources/responses/methods/compact).

    - `id: string`

      The unique ID of the compaction item.

    - `encrypted_content: string`

      The encrypted content that was produced by compaction.

    - `type: "compaction"`

      The type of the item. Always `compaction`.

      - `"compaction"`

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `ImageGenerationCall`

    An image generation request made by the model.

    - `id: string`

      The unique ID of the image generation call.

    - `result: string | null`

      The generated image encoded in base64.

    - `status: "in_progress" | "completed" | "generating" | "failed"`

      The status of the image generation call.

      - `"in_progress"`

      - `"completed"`

      - `"generating"`

      - `"failed"`

    - `type: "image_generation_call"`

      The type of the image generation call. Always `image_generation_call`.

      - `"image_generation_call"`

    - `action?: "generate" | "edit" | "auto" | null`

      The action used for image generation.

      - `"generate"`

      - `"edit"`

      - `"auto"`

    - `background?: "transparent" | "opaque" | "auto" | null`

      The background setting used for generation.

      - `"transparent"`

      - `"opaque"`

      - `"auto"`

    - `output_format?: "png" | "webp" | "jpeg" | null`

      The output format used for generation.

      - `"png"`

      - `"webp"`

      - `"jpeg"`

    - `quality?: "low" | "medium" | "high" | 3 more | null`

      The quality of the image generated by the image generation tool call. One of `low`, `medium`, `high`, `xhigh`, `max`, or `auto`.

      - `"low"`

      - `"medium"`

      - `"high"`

      - `"xhigh"`

      - `"max"`

      - `"auto"`

    - `revised_prompt?: string | null`

      The prompt that was used after any model prompt rewriting.

    - `size?: (string & {}) | "1024x1024" | "1024x1536" | "1536x1024" | null`

      The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`.

      - `(string & {})`

      - `"1024x1024" | "1024x1536" | "1536x1024"`

        - `"1024x1024"`

        - `"1024x1536"`

        - `"1536x1024"`

  - `ResponseCodeInterpreterToolCall`

    A tool call to run code.

    - `id: string`

      The unique ID of the code interpreter tool call.

    - `code: string | null`

      The code to run, or null if not available.

    - `container_id: string`

      The ID of the container used to run the code.

    - `outputs: Array<Logs | Image> | null`

      The outputs generated by the code interpreter, such as logs or images.
      Can be null if no outputs are available.

      - `Logs`

        The logs output from the code interpreter.

        - `logs: string`

          The logs output from the code interpreter.

        - `type: "logs"`

          The type of the output. Always `logs`.

          - `"logs"`

      - `Image`

        The image output from the code interpreter.

        - `type: "image"`

          The type of the output. Always `image`.

          - `"image"`

        - `url: string`

          The URL of the image output from the code interpreter.

    - `status: "in_progress" | "completed" | "incomplete" | 2 more`

      The status of the code interpreter tool call. Valid values are `in_progress`, `completed`, `incomplete`, `interpreting`, and `failed`.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

      - `"interpreting"`

      - `"failed"`

    - `type: "code_interpreter_call"`

      The type of the code interpreter tool call. Always `code_interpreter_call`.

      - `"code_interpreter_call"`

  - `LocalShellCall`

    A tool call to run a command on the local shell.

    - `id: string`

      The unique ID of the local shell call.

    - `action: Action`

      Execute a shell command on the server.

      - `command: Array<string>`

        The command to run.

      - `env: Record<string, string>`

        Environment variables to set for the command.

      - `type: "exec"`

        The type of the local shell action. Always `exec`.

        - `"exec"`

      - `timeout_ms?: number | null`

        Optional timeout in milliseconds for the command.

      - `user?: string | null`

        Optional user to run the command as.

      - `working_directory?: string | null`

        Optional working directory to run the command in.

    - `call_id: string`

      The unique ID of the local shell tool call generated by the model.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the local shell call.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "local_shell_call"`

      The type of the local shell call. Always `local_shell_call`.

      - `"local_shell_call"`

  - `LocalShellCallOutput`

    The output of a local shell tool call.

    - `id: string`

      The unique ID of the local shell tool call generated by the model.

    - `output: string`

      A JSON string of the output of the local shell tool call.

    - `type: "local_shell_call_output"`

      The type of the local shell tool call output. Always `local_shell_call_output`.

      - `"local_shell_call_output"`

    - `status?: "in_progress" | "completed" | "incomplete" | null`

      The status of the item. One of `in_progress`, `completed`, or `incomplete`.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

  - `ResponseFunctionShellToolCall`

    A tool call that executes one or more shell commands in a managed environment.

    - `id: string`

      The unique ID of the shell tool call. Populated when this item is returned via API.

    - `action: Action`

      The shell commands and limits that describe how to run the tool call.

      - `commands: Array<string>`

      - `max_output_length: number | null`

        Optional maximum number of characters to return from each command.

      - `timeout_ms: number | null`

        Optional timeout in milliseconds for the commands.

    - `call_id: string`

      The unique ID of the shell tool call generated by the model.

    - `environment: ResponseLocalEnvironment | ResponseContainerReference | null`

      Represents the use of a local environment to perform shell actions.

      - `ResponseLocalEnvironment`

        Represents the use of a local environment to perform shell actions.

        - `type: "local"`

          The environment type. Always `local`.

          - `"local"`

      - `ResponseContainerReference`

        Represents a container created with /v1/containers.

        - `container_id: string`

        - `type: "container_reference"`

          The environment type. Always `container_reference`.

          - `"container_reference"`

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the shell call. One of `in_progress`, `completed`, or `incomplete`.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "shell_call"`

      The type of the item. Always `shell_call`.

      - `"shell_call"`

    - `caller?: Direct | Program | null`

      The execution context that produced this tool call.

      - `Direct`

        - `type: "direct"`

          - `"direct"`

      - `Program`

        - `caller_id: string`

          The call ID of the program item that produced this tool call.

        - `type: "program"`

          - `"program"`

    - `created_by?: string`

      The ID of the entity that created this tool call.

  - `ResponseFunctionShellToolCallOutput`

    The output of a shell tool call that was emitted.

    - `id: string`

      The unique ID of the shell call output. Populated when this item is returned via API.

    - `call_id: string`

      The unique ID of the shell tool call generated by the model.

    - `max_output_length: number | null`

      The maximum length of the shell command output. This is generated by the model and should be passed back with the raw output.

    - `output: Array<Output>`

      An array of shell call output contents

      - `outcome: Timeout | Exit`

        Represents either an exit outcome (with an exit code) or a timeout outcome for a shell call output chunk.

        - `Timeout`

          Indicates that the shell call exceeded its configured time limit.

          - `type: "timeout"`

            The outcome type. Always `timeout`.

            - `"timeout"`

        - `Exit`

          Indicates that the shell commands finished and returned an exit code.

          - `exit_code: number`

            Exit code from the shell process.

          - `type: "exit"`

            The outcome type. Always `exit`.

            - `"exit"`

      - `stderr: string`

        The standard error output that was captured.

      - `stdout: string`

        The standard output that was captured.

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the shell call output. One of `in_progress`, `completed`, or `incomplete`.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `type: "shell_call_output"`

      The type of the shell call output. Always `shell_call_output`.

      - `"shell_call_output"`

    - `caller?: Direct | Program | null`

      The execution context that produced this tool call.

      - `Direct`

        - `type: "direct"`

          - `"direct"`

      - `Program`

        - `caller_id: string`

          The call ID of the program item that produced this tool call.

        - `type: "program"`

          - `"program"`

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `ResponseApplyPatchToolCall`

    A tool call that applies file diffs by creating, deleting, or updating files.

    - `id: string`

      The unique ID of the apply patch tool call. Populated when this item is returned via API.

    - `call_id: string`

      The unique ID of the apply patch tool call generated by the model.

    - `operation: CreateFile | DeleteFile | UpdateFile`

      One of the create_file, delete_file, or update_file operations applied via apply_patch.

      - `CreateFile`

        Instruction describing how to create a file via the apply_patch tool.

        - `diff: string`

          Diff to apply.

        - `path: string`

          Path of the file to create.

        - `type: "create_file"`

          Create a new file with the provided diff.

          - `"create_file"`

      - `DeleteFile`

        Instruction describing how to delete a file via the apply_patch tool.

        - `path: string`

          Path of the file to delete.

        - `type: "delete_file"`

          Delete the specified file.

          - `"delete_file"`

      - `UpdateFile`

        Instruction describing how to update a file via the apply_patch tool.

        - `diff: string`

          Diff to apply.

        - `path: string`

          Path of the file to update.

        - `type: "update_file"`

          Update an existing file with the provided diff.

          - `"update_file"`

    - `status: "in_progress" | "completed"`

      The status of the apply patch tool call. One of `in_progress` or `completed`.

      - `"in_progress"`

      - `"completed"`

    - `type: "apply_patch_call"`

      The type of the item. Always `apply_patch_call`.

      - `"apply_patch_call"`

    - `caller?: Direct | Program | null`

      The execution context that produced this tool call.

      - `Direct`

        - `type: "direct"`

          - `"direct"`

      - `Program`

        - `caller_id: string`

          The call ID of the program item that produced this tool call.

        - `type: "program"`

          - `"program"`

    - `created_by?: string`

      The ID of the entity that created this tool call.

  - `ResponseApplyPatchToolCallOutput`

    The output emitted by an apply patch tool call.

    - `id: string`

      The unique ID of the apply patch tool call output. Populated when this item is returned via API.

    - `call_id: string`

      The unique ID of the apply patch tool call generated by the model.

    - `status: "completed" | "failed"`

      The status of the apply patch tool call output. One of `completed` or `failed`.

      - `"completed"`

      - `"failed"`

    - `type: "apply_patch_call_output"`

      The type of the item. Always `apply_patch_call_output`.

      - `"apply_patch_call_output"`

    - `caller?: Direct | Program | null`

      The execution context that produced this tool call.

      - `Direct`

        - `type: "direct"`

          - `"direct"`

      - `Program`

        - `caller_id: string`

          The call ID of the program item that produced this tool call.

        - `type: "program"`

          - `"program"`

    - `created_by?: string`

      The ID of the entity that created this tool call output.

    - `output?: string | null`

      Optional textual output returned by the apply patch tool.

  - `McpListTools`

    A list of tools available on an MCP server.

    - `id: string`

      The unique ID of the list.

    - `server_label: string`

      The label of the MCP server.

    - `tools: Array<Tool>`

      The tools available on the server.

      - `input_schema: unknown`

        The JSON schema describing the tool's input.

      - `name: string`

        The name of the tool.

      - `annotations?: unknown`

        Additional annotations about the tool.

      - `description?: string | null`

        The description of the tool.

    - `type: "mcp_list_tools"`

      The type of the item. Always `mcp_list_tools`.

      - `"mcp_list_tools"`

    - `error?: string | null`

      Error message if the server could not list tools.

  - `McpApprovalRequest`

    A request for human approval of a tool invocation.

    - `id: string`

      The unique ID of the approval request.

    - `arguments: string`

      A JSON string of arguments for the tool.

    - `name: string`

      The name of the tool to run.

    - `server_label: string`

      The label of the MCP server making the request.

    - `type: "mcp_approval_request"`

      The type of the item. Always `mcp_approval_request`.

      - `"mcp_approval_request"`

  - `McpApprovalResponse`

    A response to an MCP approval request.

    - `id: string`

      The unique ID of the approval response

    - `approval_request_id: string`

      The ID of the approval request being answered.

    - `approve: boolean`

      Whether the request was approved.

    - `type: "mcp_approval_response"`

      The type of the item. Always `mcp_approval_response`.

      - `"mcp_approval_response"`

    - `reason?: string | null`

      Optional reason for the decision.

  - `McpCall`

    An invocation of a tool on an MCP server.

    - `id: string`

      The unique ID of the tool call.

    - `arguments: string`

      A JSON string of the arguments passed to the tool.

    - `name: string`

      The name of the tool that was run.

    - `server_label: string`

      The label of the MCP server running the tool.

    - `type: "mcp_call"`

      The type of the item. Always `mcp_call`.

      - `"mcp_call"`

    - `approval_request_id?: string | null`

      Unique identifier for the MCP tool call approval request.
      Include this value in a subsequent `mcp_approval_response` input to approve or reject the corresponding tool call.

    - `error?: McpToolCallError | null`

      The error from the tool call, if any.

      - `McpProtocolError`

        - `code: number`

        - `message: string`

        - `type: "mcp_protocol_error"`

          - `"mcp_protocol_error"`

      - `McpToolExecutionError`

        - `content: unknown`

        - `type: "mcp_tool_execution_error"`

          - `"mcp_tool_execution_error"`

      - `HTTPError`

        - `code: number`

        - `message: string`

        - `type: "http_error"`

          - `"http_error"`

    - `output?: string | null`

      The output from the tool call.

    - `status?: "in_progress" | "completed" | "incomplete" | 2 more`

      The status of the tool call. One of `in_progress`, `completed`, `incomplete`, `calling`, or `failed`.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

      - `"calling"`

      - `"failed"`

  - `ResponseCustomToolCallItem extends ResponseCustomToolCall`

    A call to a custom tool created by the model.

    - `id: string`

      The unique ID of the custom tool call item.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `created_by?: string`

      The identifier of the actor that created the item.

  - `ResponseCustomToolCallOutputItem extends ResponseCustomToolCallOutput`

    The output of a custom tool call from your code, being sent back to the model.

    - `id: string`

      The unique ID of the custom tool call output item.

    - `status: "in_progress" | "completed" | "incomplete"`

      The status of the item. One of `in_progress`, `completed`, or
      `incomplete`. Populated when items are returned via API.

      - `"in_progress"`

      - `"completed"`

      - `"incomplete"`

    - `created_by?: string`

      The identifier of the actor that created the item.

### Example

```typescript
import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: process.env['OPENAI_API_KEY'], // This is the default and can be omitted
});

// Automatically fetches more pages as needed.
for await (const responseItem of client.responses.inputItems.list('response_id')) {
  console.log(responseItem);
}
```

#### Response

```json
{
  "data": [
    {
      "id": "id",
      "content": [
        {
          "text": "text",
          "type": "input_text",
          "prompt_cache_breakpoint": {
            "mode": "explicit"
          }
        }
      ],
      "role": "user",
      "type": "message",
      "status": "in_progress"
    }
  ],
  "first_id": "first_id",
  "has_more": true,
  "last_id": "last_id",
  "object": "list"
}
```

### Example

```typescript
import OpenAI from "openai";
const client = new OpenAI();

const response = await client.responses.inputItems.list("resp_123");
console.log(response.data);
```

#### Response

```json
{
  "object": "list",
  "data": [
    {
      "id": "msg_abc123",
      "type": "message",
      "role": "user",
      "content": [
        {
          "type": "input_text",
          "text": "Tell me a three sentence bedtime story about a unicorn."
        }
      ]
    }
  ],
  "first_id": "msg_abc123",
  "last_id": "msg_abc123",
  "has_more": false
}
```

## Domain Types

### Response Item List

- `ResponseItemList`

  A list of Response items.

  - `data: Array<ResponseItem>`

    A list of items used to generate this response.

    - `ResponseInputMessageItem`

      - `id: string`

        The unique ID of the message input.

      - `content: ResponseInputMessageContentList`

        A list of one or many input items to the model, containing different content
        types.

        - `ResponseInputText`

          A text input to the model.

          - `text: string`

            The text input to the model.

          - `type: "input_text"`

            The type of the input item. Always `input_text`.

            - `"input_text"`

          - `prompt_cache_breakpoint?: PromptCacheBreakpoint`

            Marks the exact end of a reusable prompt prefix. The breakpoint inherits its TTL from the request's `prompt_cache_options.ttl`; the boundary is not rounded to a token block.

            - `mode: "explicit"`

              The breakpoint mode. Always `explicit`.

              - `"explicit"`

        - `ResponseInputImage`

          An image input to the model. Learn about [image inputs](/api/docs/guides/images-vision).

          - `detail: ImageDetail`

            The detail level of the image to be sent to the model. One of `high`, `low`, `auto`, or `original`. Defaults to `auto`.

            - `"low"`

            - `"high"`

            - `"auto"`

            - `"original"`

          - `type: "input_image"`

            The type of the input item. Always `input_image`.

            - `"input_image"`

          - `file_id?: string | null`

            The ID of the file to be sent to the model.

          - `image_url?: string | null`

            The URL of the image to be sent to the model. A fully qualified URL or base64 encoded image in a data URL.

          - `prompt_cache_breakpoint?: PromptCacheBreakpoint`

            Marks the exact end of a reusable prompt prefix. The breakpoint inherits its TTL from the request's `prompt_cache_options.ttl`; the boundary is not rounded to a token block.

            - `mode: "explicit"`

              The breakpoint mode. Always `explicit`.

              - `"explicit"`

        - `ResponseInputFile`

          A file input to the model.

          - `type: "input_file"`

            The type of the input item. Always `input_file`.

            - `"input_file"`

          - `detail?: "auto" | "low" | "high"`

            The detail level of the file to be sent to the model. Use `auto` to let the system select the detail level; for GPT-5.6 and later models, `auto` uses high-quality rendering, which may increase input token usage. Use `low` for lower-cost rendering, or `high` to render the file at higher quality. Defaults to `auto`.

            - `"auto"`

            - `"low"`

            - `"high"`

          - `file_data?: string`

            The content of the file to be sent to the model.

          - `file_id?: string | null`

            The ID of the file to be sent to the model.

          - `file_url?: string`

            The URL of the file to be sent to the model.

          - `filename?: string`

            The name of the file to be sent to the model.

          - `prompt_cache_breakpoint?: PromptCacheBreakpoint`

            Marks the exact end of a reusable prompt prefix. The breakpoint inherits its TTL from the request's `prompt_cache_options.ttl`; the boundary is not rounded to a token block.

            - `mode: "explicit"`

              The breakpoint mode. Always `explicit`.

              - `"explicit"`

      - `role: "user" | "system" | "developer"`

        The role of the message input. One of `user`, `system`, or `developer`.

        - `"user"`

        - `"system"`

        - `"developer"`

      - `type: "message"`

        The type of the message input. Always set to `message`.

        - `"message"`

      - `status?: "in_progress" | "completed" | "incomplete"`

        The status of item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

    - `ResponseOutputMessage`

      An output message from the model.

      - `id: string`

        The unique ID of the output message.

      - `content: Array<ResponseOutputText | ResponseOutputRefusal>`

        The content of the output message.

        - `ResponseOutputText`

          A text output from the model.

          - `annotations: Array<FileCitation | URLCitation | ContainerFileCitation | FilePath>`

            The annotations of the text output.

            - `FileCitation`

              A citation to a file.

              - `file_id: string`

                The ID of the file.

              - `filename: string`

                The filename of the file cited.

              - `index: number`

                The index in the output text at which to insert the file citation.

              - `type: "file_citation"`

                The type of the file citation. Always `file_citation`.

                - `"file_citation"`

            - `URLCitation`

              A citation for a web resource used to generate a model response.

              - `end_index: number`

                The index of the last character of the URL citation in the message.

              - `start_index: number`

                The index of the first character of the URL citation in the message.

              - `title: string`

                The title of the web resource.

              - `type: "url_citation"`

                The type of the URL citation. Always `url_citation`.

                - `"url_citation"`

              - `url: string`

                The URL of the web resource.

            - `ContainerFileCitation`

              A citation for a container file used to generate a model response.

              - `container_id: string`

                The ID of the container file.

              - `end_index: number`

                The index of the last character of the container file citation in the message.

              - `file_id: string`

                The ID of the file.

              - `filename: string`

                The filename of the container file cited.

              - `start_index: number`

                The index of the first character of the container file citation in the message.

              - `type: "container_file_citation"`

                The type of the container file citation. Always `container_file_citation`.

                - `"container_file_citation"`

            - `FilePath`

              A path to a file.

              - `file_id: string`

                The ID of the file.

              - `index: number`

                The index of the file in the list of files.

              - `type: "file_path"`

                The type of the file path. Always `file_path`.

                - `"file_path"`

          - `text: string`

            The text output from the model.

          - `type: "output_text"`

            The type of the output text. Always `output_text`.

            - `"output_text"`

          - `logprobs?: Array<Logprob>`

            - `token: string`

            - `bytes: Array<number>`

            - `logprob: number`

            - `top_logprobs: Array<TopLogprob>`

              - `token: string`

              - `bytes: Array<number>`

              - `logprob: number`

        - `ResponseOutputRefusal`

          A refusal from the model.

          - `refusal: string`

            The refusal explanation from the model.

          - `type: "refusal"`

            The type of the refusal. Always `refusal`.

            - `"refusal"`

      - `role: "assistant"`

        The role of the output message. Always `assistant`.

        - `"assistant"`

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the message input. One of `in_progress`, `completed`, or
        `incomplete`. Populated when input items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "message"`

        The type of the output message. Always `message`.

        - `"message"`

      - `phase?: "commentary" | "final_answer" | null`

        Labels an `assistant` message as intermediate commentary (`commentary`) or the final answer (`final_answer`).
        For models like `gpt-5.3-codex` and beyond, when sending follow-up requests, preserve and resend
        phase on all assistant messages — dropping it can degrade performance. Not used for user messages.

        - `"commentary"`

        - `"final_answer"`

    - `ResponseFileSearchToolCall`

      The results of a file search tool call. See the
      [file search guide](/api/docs/guides/tools-file-search) for more information.

      - `id: string`

        The unique ID of the file search tool call.

      - `queries: Array<string>`

        The queries used to search for files.

      - `status: "in_progress" | "searching" | "completed" | 2 more`

        The status of the file search tool call. One of `in_progress`,
        `searching`, `incomplete` or `failed`,

        - `"in_progress"`

        - `"searching"`

        - `"completed"`

        - `"incomplete"`

        - `"failed"`

      - `type: "file_search_call"`

        The type of the file search tool call. Always `file_search_call`.

        - `"file_search_call"`

      - `results?: Array<Result> | null`

        The results of the file search tool call.

        - `attributes?: Record<string, string | number | boolean> | null`

          Set of 16 key-value pairs that can be attached to an object. This can be
          useful for storing additional information about the object in a structured
          format, and querying for objects via API or the dashboard. Keys are strings
          with a maximum length of 64 characters. Values are strings with a maximum
          length of 512 characters, booleans, or numbers.

          - `string`

          - `number`

          - `boolean`

        - `file_id?: string`

          The unique ID of the file.

        - `filename?: string`

          The name of the file.

        - `score?: number`

          The relevance score of the file - a value between 0 and 1.

        - `text?: string`

          The text that was retrieved from the file.

    - `ResponseComputerToolCall`

      A tool call to a computer use tool. See the
      [computer use guide](/api/docs/guides/tools-computer-use) for more information.

      - `id: string`

        The unique ID of the computer call.

      - `call_id: string`

        An identifier used when responding to the tool call with output.

      - `pending_safety_checks: Array<PendingSafetyCheck>`

        The pending safety checks for the computer call.

        - `id: string`

          The ID of the pending safety check.

        - `code?: string | null`

          The type of the pending safety check.

        - `message?: string | null`

          Details about the pending safety check.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "computer_call"`

        The type of the computer call. Always `computer_call`.

        - `"computer_call"`

      - `action?: Click | DoubleClick | Drag | 6 more`

        A click action.

        - `Click`

          A click action.

          - `button: "left" | "right" | "wheel" | 2 more`

            Indicates which mouse button was pressed during the click. One of `left`, `right`, `wheel`, `back`, or `forward`.

            - `"left"`

            - `"right"`

            - `"wheel"`

            - `"back"`

            - `"forward"`

          - `type: "click"`

            Specifies the event type. For a click action, this property is always `click`.

            - `"click"`

          - `x: number`

            The x-coordinate where the click occurred.

          - `y: number`

            The y-coordinate where the click occurred.

          - `keys?: Array<string> | null`

            The keys being held while clicking.

        - `DoubleClick`

          A double click action.

          - `keys: Array<string> | null`

            The keys being held while double-clicking.

          - `type: "double_click"`

            Specifies the event type. For a double click action, this property is always set to `double_click`.

            - `"double_click"`

          - `x: number`

            The x-coordinate where the double click occurred.

          - `y: number`

            The y-coordinate where the double click occurred.

        - `Drag`

          A drag action.

          - `path: Array<Path>`

            An array of coordinates representing the path of the drag action. Coordinates will appear as an array of objects, eg

            ```
            [
              { x: 100, y: 200 },
              { x: 200, y: 300 }
            ]
            ```

            - `x: number`

              The x-coordinate.

            - `y: number`

              The y-coordinate.

          - `type: "drag"`

            Specifies the event type. For a drag action, this property is always set to `drag`.

            - `"drag"`

          - `keys?: Array<string> | null`

            The keys being held while dragging the mouse.

        - `Keypress`

          A collection of keypresses the model would like to perform.

          - `keys: Array<string>`

            The combination of keys the model is requesting to be pressed. This is an array of strings, each representing a key.

          - `type: "keypress"`

            Specifies the event type. For a keypress action, this property is always set to `keypress`.

            - `"keypress"`

        - `Move`

          A mouse move action.

          - `type: "move"`

            Specifies the event type. For a move action, this property is always set to `move`.

            - `"move"`

          - `x: number`

            The x-coordinate to move to.

          - `y: number`

            The y-coordinate to move to.

          - `keys?: Array<string> | null`

            The keys being held while moving the mouse.

        - `Screenshot`

          A screenshot action.

          - `type: "screenshot"`

            Specifies the event type. For a screenshot action, this property is always set to `screenshot`.

            - `"screenshot"`

        - `Scroll`

          A scroll action.

          - `scroll_x: number`

            The horizontal scroll distance.

          - `scroll_y: number`

            The vertical scroll distance.

          - `type: "scroll"`

            Specifies the event type. For a scroll action, this property is always set to `scroll`.

            - `"scroll"`

          - `x: number`

            The x-coordinate where the scroll occurred.

          - `y: number`

            The y-coordinate where the scroll occurred.

          - `keys?: Array<string> | null`

            The keys being held while scrolling.

        - `Type`

          An action to type in text.

          - `text: string`

            The text to type.

          - `type: "type"`

            Specifies the event type. For a type action, this property is always set to `type`.

            - `"type"`

        - `Wait`

          A wait action.

          - `type: "wait"`

            Specifies the event type. For a wait action, this property is always set to `wait`.

            - `"wait"`

      - `actions?: ComputerActionList`

        Flattened batched actions for `computer_use`. Each action includes an
        `type` discriminator and action-specific fields.

        - `Click`

          A click action.

          - `button: "left" | "right" | "wheel" | 2 more`

            Indicates which mouse button was pressed during the click. One of `left`, `right`, `wheel`, `back`, or `forward`.

            - `"left"`

            - `"right"`

            - `"wheel"`

            - `"back"`

            - `"forward"`

          - `type: "click"`

            Specifies the event type. For a click action, this property is always `click`.

            - `"click"`

          - `x: number`

            The x-coordinate where the click occurred.

          - `y: number`

            The y-coordinate where the click occurred.

          - `keys?: Array<string> | null`

            The keys being held while clicking.

        - `DoubleClick`

          A double click action.

          - `keys: Array<string> | null`

            The keys being held while double-clicking.

          - `type: "double_click"`

            Specifies the event type. For a double click action, this property is always set to `double_click`.

            - `"double_click"`

          - `x: number`

            The x-coordinate where the double click occurred.

          - `y: number`

            The y-coordinate where the double click occurred.

        - `Drag`

          A drag action.

          - `path: Array<Path>`

            An array of coordinates representing the path of the drag action. Coordinates will appear as an array of objects, eg

            ```
            [
              { x: 100, y: 200 },
              { x: 200, y: 300 }
            ]
            ```

            - `x: number`

              The x-coordinate.

            - `y: number`

              The y-coordinate.

          - `type: "drag"`

            Specifies the event type. For a drag action, this property is always set to `drag`.

            - `"drag"`

          - `keys?: Array<string> | null`

            The keys being held while dragging the mouse.

        - `Keypress`

          A collection of keypresses the model would like to perform.

          - `keys: Array<string>`

            The combination of keys the model is requesting to be pressed. This is an array of strings, each representing a key.

          - `type: "keypress"`

            Specifies the event type. For a keypress action, this property is always set to `keypress`.

            - `"keypress"`

        - `Move`

          A mouse move action.

          - `type: "move"`

            Specifies the event type. For a move action, this property is always set to `move`.

            - `"move"`

          - `x: number`

            The x-coordinate to move to.

          - `y: number`

            The y-coordinate to move to.

          - `keys?: Array<string> | null`

            The keys being held while moving the mouse.

        - `Screenshot`

          A screenshot action.

          - `type: "screenshot"`

            Specifies the event type. For a screenshot action, this property is always set to `screenshot`.

            - `"screenshot"`

        - `Scroll`

          A scroll action.

          - `scroll_x: number`

            The horizontal scroll distance.

          - `scroll_y: number`

            The vertical scroll distance.

          - `type: "scroll"`

            Specifies the event type. For a scroll action, this property is always set to `scroll`.

            - `"scroll"`

          - `x: number`

            The x-coordinate where the scroll occurred.

          - `y: number`

            The y-coordinate where the scroll occurred.

          - `keys?: Array<string> | null`

            The keys being held while scrolling.

        - `Type`

          An action to type in text.

          - `text: string`

            The text to type.

          - `type: "type"`

            Specifies the event type. For a type action, this property is always set to `type`.

            - `"type"`

        - `Wait`

          A wait action.

          - `type: "wait"`

            Specifies the event type. For a wait action, this property is always set to `wait`.

            - `"wait"`

    - `ResponseComputerToolCallOutputItem`

      - `id: string`

        The ID of the computer tool call output.

      - `call_id: string`

        The ID of the computer tool call that produced the output.

      - `output: ResponseComputerToolCallOutputScreenshot`

        A computer screenshot image used with the computer use tool.

        - `type: "computer_screenshot"`

          Specifies the event type. For a computer screenshot, this property is
          always set to `computer_screenshot`.

          - `"computer_screenshot"`

        - `file_id?: string`

          The identifier of an uploaded file that contains the screenshot.

        - `image_url?: string`

          The URL of the screenshot image.

      - `status: "completed" | "incomplete" | "failed" | "in_progress"`

        The status of the message input. One of `in_progress`, `completed`, or
        `incomplete`. Populated when input items are returned via API.

        - `"completed"`

        - `"incomplete"`

        - `"failed"`

        - `"in_progress"`

      - `type: "computer_call_output"`

        The type of the computer tool call output. Always `computer_call_output`.

        - `"computer_call_output"`

      - `acknowledged_safety_checks?: Array<AcknowledgedSafetyCheck>`

        The safety checks reported by the API that have been acknowledged by the
        developer.

        - `id: string`

          The ID of the pending safety check.

        - `code?: string | null`

          The type of the pending safety check.

        - `message?: string | null`

          Details about the pending safety check.

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `ResponseFunctionWebSearch`

      The results of a web search tool call. See the
      [web search guide](/api/docs/guides/tools-web-search) for more information.

      - `id: string`

        The unique ID of the web search tool call.

      - `action: Search | OpenPage | FindInPage`

        An object describing the specific action taken in this web search call.
        Includes details on how the model used the web (search, open_page, find_in_page).

        - `Search`

          Action type "search" - Performs a web search query.

          - `type: "search"`

            The action type.

            - `"search"`

          - `queries?: Array<string>`

            The search queries.

          - `query?: string`

            The search query.

          - `sources?: Array<Source>`

            The sources used in the search.

            - `type: "url"`

              The type of source. Always `url`.

              - `"url"`

            - `url: string`

              The URL of the source.

        - `OpenPage`

          Action type "open_page" - Opens a specific URL from search results.

          - `type: "open_page"`

            The action type.

            - `"open_page"`

          - `url?: string | null`

            The URL opened by the model.

        - `FindInPage`

          Action type "find_in_page": Searches for a pattern within a loaded page.

          - `pattern: string`

            The pattern or text to search for within the page.

          - `type: "find_in_page"`

            The action type.

            - `"find_in_page"`

          - `url: string`

            The URL of the page searched for the pattern.

      - `status: "in_progress" | "searching" | "completed" | 2 more`

        The status of the web search tool call.

        - `"in_progress"`

        - `"searching"`

        - `"completed"`

        - `"failed"`

        - `"incomplete"`

      - `type: "web_search_call"`

        The type of the web search tool call. Always `web_search_call`.

        - `"web_search_call"`

    - `ResponseFunctionToolCallItem extends ResponseFunctionToolCall`

      A tool call to run a function. See the
      [function calling guide](/api/docs/guides/function-calling) for more information.

      - `id: string`

        The unique ID of the function tool call.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `ResponseFunctionToolCallOutputItem`

      - `id: string`

        The unique ID of the function call tool output.

      - `output: string | Array<ResponseInputText | ResponseInputImage | ResponseInputFile>`

        The output from the function call generated by your code.
        Can be a string or an list of output content.

        - `string`

        - `Array<ResponseInputText | ResponseInputImage | ResponseInputFile>`

          - `ResponseInputText`

            A text input to the model.

          - `ResponseInputImage`

            An image input to the model. Learn about [image inputs](/api/docs/guides/images-vision).

          - `ResponseInputFile`

            A file input to the model.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "function_call_output"`

        The type of the function tool call output. Always `function_call_output`.

        - `"function_call_output"`

      - `call_id?: string`

        The unique ID of the function tool call generated by the model.

      - `caller?: Direct | Program | null`

        The execution context that produced this tool call.

        - `Direct`

          - `type: "direct"`

            The caller type. Always `direct`.

            - `"direct"`

        - `Program`

          - `caller_id: string`

            The call ID of the program item that produced this tool call.

          - `type: "program"`

            The caller type. Always `program`.

            - `"program"`

      - `created_by?: string`

        The identifier of the actor that created the item.

      - `name?: string`

        The name of the tool that produced the output.

      - `namespace?: string`

        The namespace of the tool that produced the output.

    - `ResponseToolSearchCall`

      - `id: string`

        The unique ID of the tool search call item.

      - `arguments: unknown`

        Arguments used for the tool search call.

      - `call_id: string | null`

        The unique ID of the tool search call generated by the model.

      - `execution: "server" | "client"`

        Whether tool search was executed by the server or by the client.

        - `"server"`

        - `"client"`

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the tool search call item that was recorded.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "tool_search_call"`

        The type of the item. Always `tool_search_call`.

        - `"tool_search_call"`

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `ResponseToolSearchOutputItem`

      - `id: string`

        The unique ID of the tool search output item.

      - `call_id: string | null`

        The unique ID of the tool search call generated by the model.

      - `execution: "server" | "client"`

        Whether tool search was executed by the server or by the client.

        - `"server"`

        - `"client"`

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the tool search output item that was recorded.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `tools: Array<Tool>`

        The loaded tool definitions returned by tool search.

        - `FunctionTool`

          Defines a function in your own code the model can choose to call. Learn more about [function calling](/api/docs/guides/function-calling).

          - `name: string`

            The name of the function to call.

          - `parameters: Record<string, unknown> | null`

            A JSON schema object describing the parameters of the function.

          - `strict: boolean | null`

            Whether strict parameter validation is enforced for this function tool.

          - `type: "function"`

            The type of the function tool. Always `function`.

            - `"function"`

          - `allowed_callers?: Array<"direct" | "programmatic"> | null`

            The tool invocation context(s).

            - `"direct"`

            - `"programmatic"`

          - `async?: boolean`

          - `defer_loading?: boolean`

            Whether this function is deferred and loaded via tool search.

          - `description?: string | null`

            A description of the function. Used by the model to determine whether or not to call the function.

          - `output_schema?: Record<string, unknown> | null`

            A JSON schema object describing the JSON value encoded in string outputs for this function.

        - `FileSearchTool`

          A tool that searches for relevant content from uploaded files. Learn more about the [file search tool](/api/docs/guides/tools-file-search).

          - `type: "file_search"`

            The type of the file search tool. Always `file_search`.

            - `"file_search"`

          - `vector_store_ids: Array<string>`

            The IDs of the vector stores to search.

          - `filters?: ComparisonFilter | CompoundFilter | null`

            A filter to apply.

            - `ComparisonFilter`

              A filter used to compare a specified attribute key to a given value using a defined comparison operation.

              - `key: string`

                The key to compare against the value.

              - `type: "eq" | "ne" | "gt" | 5 more`

                Specifies the comparison operator: `eq`, `ne`, `gt`, `gte`, `lt`, `lte`, `in`, `nin`.

                - `eq`: equals
                - `ne`: not equal
                - `gt`: greater than
                - `gte`: greater than or equal
                - `lt`: less than
                - `lte`: less than or equal
                - `in`: in
                - `nin`: not in

                - `"eq"`

                - `"ne"`

                - `"gt"`

                - `"gte"`

                - `"lt"`

                - `"lte"`

                - `"in"`

                - `"nin"`

              - `value: string | number | boolean | Array<string | number>`

                The value to compare against the attribute key; supports string, number, or boolean types.

                - `string`

                - `number`

                - `boolean`

                - `Array<string | number>`

                  - `string`

                  - `number`

            - `CompoundFilter`

              Combine multiple filters using `and` or `or`.

              - `filters: Array<ComparisonFilter | unknown>`

                Array of filters to combine. Items can be `ComparisonFilter` or `CompoundFilter`.

                - `ComparisonFilter`

                  A filter used to compare a specified attribute key to a given value using a defined comparison operation.

                - `unknown`

              - `type: "and" | "or"`

                Type of operation: `and` or `or`.

                - `"and"`

                - `"or"`

          - `max_num_results?: number`

            The maximum number of results to return. This number should be between 1 and 50 inclusive.

          - `ranking_options?: RankingOptions`

            Ranking options for search.

            - `hybrid_search?: HybridSearch`

              Weights that control how reciprocal rank fusion balances semantic embedding matches versus sparse keyword matches when hybrid search is enabled.

              - `embedding_weight: number`

                The weight of the embedding in the reciprocal ranking fusion.

              - `text_weight: number`

                The weight of the text in the reciprocal ranking fusion.

            - `ranker?: "auto" | "default-2024-11-15"`

              The ranker to use for the file search.

              - `"auto"`

              - `"default-2024-11-15"`

            - `score_threshold?: number`

              The score threshold for the file search, a number between 0 and 1. Numbers closer to 1 will attempt to return only the most relevant results, but may return fewer results.

        - `ComputerTool`

          A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

          - `type: "computer"`

            The type of the computer tool. Always `computer`.

            - `"computer"`

        - `ComputerUsePreviewTool`

          A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

          - `display_height: number`

            The height of the computer display.

          - `display_width: number`

            The width of the computer display.

          - `environment: "windows" | "mac" | "linux" | 2 more`

            The type of computer environment to control.

            - `"windows"`

            - `"mac"`

            - `"linux"`

            - `"ubuntu"`

            - `"browser"`

          - `type: "computer_use_preview"`

            The type of the computer use tool. Always `computer_use_preview`.

            - `"computer_use_preview"`

        - `WebSearchTool`

          Search the Internet for sources related to the prompt. Learn more about the
          [web search tool](/api/docs/guides/tools-web-search).

          - `type: "web_search" | "web_search_2025_08_26"`

            The type of the web search tool. One of `web_search` or `web_search_2025_08_26`.

            - `"web_search"`

            - `"web_search_2025_08_26"`

          - `external_web_access?: boolean`

            Allow live internet access for web search. Defaults to true when omitted. When false, the web search tool runs in offline/cache-only mode and will not fetch new external content.

          - `filters?: Filters | null`

            Filters for the search.

            - `allowed_domains?: Array<string> | null`

              Allowed domains for the search. If not provided, all domains are allowed.
              Subdomains of the provided domains are allowed as well.

              Example: `["pubmed.ncbi.nlm.nih.gov"]`

          - `search_context_size?: "low" | "medium" | "high"`

            High level guidance for the amount of context window space to use for the search. One of `low`, `medium`, or `high`. `medium` is the default.

            - `"low"`

            - `"medium"`

            - `"high"`

          - `user_location?: UserLocation | null`

            The approximate location of the user. If omitted or null, defaults to the
            United States. To avoid this fallback, pass `{"type": "approximate"}` without
            location fields. To localize results, provide the relevant location fields.

            - `city?: string | null`

              Free text input for the city of the user, e.g. `San Francisco`.

            - `country?: string | null`

              The two-letter [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1) of the user, e.g. `US`.

            - `region?: string | null`

              Free text input for the region of the user, e.g. `California`.

            - `timezone?: string | null`

              The [IANA timezone](https://timeapi.io/documentation/iana-timezones) of the user, e.g. `America/Los_Angeles`.

            - `type?: "approximate"`

              The type of location approximation. Always `approximate`.

              - `"approximate"`

        - `Mcp`

          Give the model access to additional tools via remote Model Context Protocol
          (MCP) servers. [Learn more about MCP](/api/docs/guides/tools-connectors-mcp).

          - `server_label: string`

            A label for this MCP server, used to identify it in tool calls.

          - `type: "mcp"`

            The type of the MCP tool. Always `mcp`.

            - `"mcp"`

          - `allowed_callers?: Array<"direct" | "programmatic"> | null`

            The tool invocation context(s).

            - `"direct"`

            - `"programmatic"`

          - `allowed_tools?: Array<string> | McpToolFilter | null`

            List of allowed tool names or a filter object.

            - `Array<string>`

            - `McpToolFilter`

              A filter object to specify which tools are allowed.

              - `read_only?: boolean`

                Indicates whether or not a tool modifies data or is read-only. If an
                MCP server is [annotated with `readOnlyHint`](https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations-readonlyhint),
                it will match this filter.

              - `tool_names?: Array<string>`

                List of allowed tool names.

          - `authorization?: string`

            An OAuth access token that can be used with a remote MCP server, either
            with a custom MCP server URL or a service connector. Your application
            must handle the OAuth authorization flow and provide the token here.

          - `connector_id?: "connector_dropbox" | "connector_gmail" | "connector_googlecalendar" | 5 more`

            Identifier for service connectors, like those available in ChatGPT. One of
            `server_url`, `connector_id`, or `tunnel_id` must be provided. Learn more
            about service connectors [here](/api/docs/guides/tools-connectors-mcp#connectors).

            This field is deprecated for models released after September 1, 2026.
            Use `server_url` to connect to a remote MCP server, or `tunnel_id` to
            connect through a Secure MCP Tunnel.

            Currently supported `connector_id` values are:

            - Dropbox: `connector_dropbox`
            - Gmail: `connector_gmail`
            - Google Calendar: `connector_googlecalendar`
            - Google Drive: `connector_googledrive`
            - Microsoft Teams: `connector_microsoftteams`
            - Outlook Calendar: `connector_outlookcalendar`
            - Outlook Email: `connector_outlookemail`
            - SharePoint: `connector_sharepoint`

            - `"connector_dropbox"`

            - `"connector_gmail"`

            - `"connector_googlecalendar"`

            - `"connector_googledrive"`

            - `"connector_microsoftteams"`

            - `"connector_outlookcalendar"`

            - `"connector_outlookemail"`

            - `"connector_sharepoint"`

          - `defer_loading?: boolean`

            Whether this MCP tool is deferred and discovered via tool search.

          - `headers?: Record<string, string> | null`

            Optional HTTP headers to send to the MCP server. Use for authentication
            or other purposes.

          - `require_approval?: McpToolApprovalFilter | "always" | "never" | null`

            Specify which of the MCP server's tools require approval.

            - `McpToolApprovalFilter`

              Specify which of the MCP server's tools require approval. Can be
              `always`, `never`, or a filter object associated with tools
              that require approval.

              - `always?: Always`

                A filter object to specify which tools are allowed.

                - `read_only?: boolean`

                  Indicates whether or not a tool modifies data or is read-only. If an
                  MCP server is [annotated with `readOnlyHint`](https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations-readonlyhint),
                  it will match this filter.

                - `tool_names?: Array<string>`

                  List of allowed tool names.

              - `never?: Never`

                A filter object to specify which tools are allowed.

                - `read_only?: boolean`

                  Indicates whether or not a tool modifies data or is read-only. If an
                  MCP server is [annotated with `readOnlyHint`](https://modelcontextprotocol.io/specification/2025-06-18/schema#toolannotations-readonlyhint),
                  it will match this filter.

                - `tool_names?: Array<string>`

                  List of allowed tool names.

            - `"always" | "never"`

              - `"always"`

              - `"never"`

          - `server_description?: string`

            Optional description of the MCP server, used to provide more context.

          - `server_url?: string`

            The URL for the MCP server. One of `server_url`, `connector_id`, or
            `tunnel_id` must be provided.

          - `tunnel_id?: string`

            The Secure MCP Tunnel ID to use instead of a direct server URL. One of
            `server_url`, `connector_id`, or `tunnel_id` must be provided.

        - `CodeInterpreter`

          A tool that runs Python code to help generate a response to a prompt.

          - `container: string | CodeInterpreterToolAuto`

            The code interpreter container. Can be a container ID or an object that
            specifies uploaded file IDs to make available to your code, along with an
            optional `memory_limit` setting.

            - `string`

            - `CodeInterpreterToolAuto`

              Configuration for a code interpreter container. Optionally specify the IDs of the files to run the code on.

              - `type: "auto"`

                Always `auto`.

                - `"auto"`

              - `file_ids?: Array<string>`

                An optional list of uploaded files to make available to your code.

              - `memory_limit?: "1g" | "4g" | "16g" | "64g" | null`

                The memory limit for the code interpreter container.

                - `"1g"`

                - `"4g"`

                - `"16g"`

                - `"64g"`

              - `network_policy?: ContainerNetworkPolicyDisabled | ContainerNetworkPolicyAllowlist`

                Network access policy for the container.

                - `ContainerNetworkPolicyDisabled`

                  - `type: "disabled"`

                    Disable outbound network access. Always `disabled`.

                    - `"disabled"`

                - `ContainerNetworkPolicyAllowlist`

                  - `allowed_domains: Array<string>`

                    A list of allowed domains when type is `allowlist`.

                  - `type: "allowlist"`

                    Allow outbound network access only to specified domains. Always `allowlist`.

                    - `"allowlist"`

                  - `domain_secrets?: Array<ContainerNetworkPolicyDomainSecret>`

                    Optional domain-scoped secrets for allowlisted domains.

                    - `domain: string`

                      The domain associated with the secret.

                    - `name: string`

                      The name of the secret to inject for the domain.

                    - `value: string`

                      The secret value to inject for the domain.

          - `type: "code_interpreter"`

            The type of the code interpreter tool. Always `code_interpreter`.

            - `"code_interpreter"`

          - `allowed_callers?: Array<"direct" | "programmatic"> | null`

            The tool invocation context(s).

            - `"direct"`

            - `"programmatic"`

        - `ProgrammaticToolCalling`

          - `type: "programmatic_tool_calling"`

            The type of the tool. Always `programmatic_tool_calling`.

            - `"programmatic_tool_calling"`

        - `ImageGeneration`

          A tool that generates images using the GPT image models.

          - `type: "image_generation"`

            The type of the image generation tool. Always `image_generation`.

            - `"image_generation"`

          - `action?: "generate" | "edit" | "auto"`

            Whether to generate a new image or edit an existing image. Default: `auto`.

            - `"generate"`

            - `"edit"`

            - `"auto"`

          - `background?: "transparent" | "opaque" | "auto"`

            Allows to set transparency for the background of the generated image(s). Must
            be one of `transparent`, `opaque`, or `auto` (default value). When `auto` is
            used, the model will automatically determine the best background for the
            image.

            `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`, including their
            `2026-09-08` snapshots, support `opaque` and `transparent` backgrounds.
            Transparent backgrounds are available for supported GPT Image models. For
            `gpt-image-2` and `gpt-image-2-2026-04-21`, this support is in preview. When
            using `transparent`, set the output format to `png` or `webp`.

            - `"transparent"`

            - `"opaque"`

            - `"auto"`

          - `input_fidelity?: "high" | "low" | null`

            Control how much effort the model will exert to match the style and features, especially facial features, of input images. Supports `high` and `low` on `gpt-image-1` and `gpt-image-1.5`; `gpt-image-1-mini` supports only `low`. For `gpt-image-2`, omit this parameter. Defaults to `low` on supported models.

            - `"high"`

            - `"low"`

          - `input_image_mask?: InputImageMask`

            Optional mask for inpainting. Contains `image_url`
            (string, optional) and `file_id` (string, optional).

            - `file_id?: string`

              File ID for the mask image.

            - `image_url?: string`

              Base64-encoded mask image.

          - `model?: (string & {}) | "gpt-image-1" | "gpt-image-1-mini" | "gpt-image-2" | 7 more`

            The image generation model to use. One of `gpt-image-1`,
            `gpt-image-1-mini`, `gpt-image-1.5`, `gpt-image-2`,
            `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`,
            `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`,
            `gpt-image-2.5-flare-2026-09-08`, or `chatgpt-image-latest`. Default:
            `gpt-image-1`.

            - `(string & {})`

            - `"gpt-image-1" | "gpt-image-1-mini" | "gpt-image-2" | 7 more`

              - `"gpt-image-1"`

              - `"gpt-image-1-mini"`

              - `"gpt-image-2"`

              - `"gpt-image-2-2026-04-21"`

              - `"gpt-image-2.5-sunburst"`

              - `"gpt-image-2.5-sunburst-2026-09-08"`

              - `"gpt-image-2.5-flare"`

              - `"gpt-image-2.5-flare-2026-09-08"`

              - `"gpt-image-1.5"`

              - `"chatgpt-image-latest"`

          - `moderation?: "auto" | "low"`

            Moderation level for the generated image. Default: `auto`.

            - `"auto"`

            - `"low"`

          - `output_compression?: number`

            Compression level for the output image. Default: 100.

          - `output_format?: "png" | "webp" | "jpeg"`

            The output format of the generated image. One of `png`, `webp`, or
            `jpeg`. Default: `png`.

            - `"png"`

            - `"webp"`

            - `"jpeg"`

          - `partial_images?: number`

            Number of partial images to generate in streaming mode, from 0 (default value) to 3.

          - `quality?: "low" | "medium" | "high" | 3 more`

            The quality of the generated image. The GPT image models support `low`,
            `medium`, and `high`. `gpt-image-2.5-sunburst` and `gpt-image-2.5-flare`,
            including their `2026-09-08` snapshots, also support `xhigh` and `max`.
            Default: `auto`.

            - `"low"`

            - `"medium"`

            - `"high"`

            - `"xhigh"`

            - `"max"`

            - `"auto"`

          - `size?: (string & {}) | "1024x1024" | "1024x1536" | "1536x1024" | "auto"`

            The size of the generated images. For `gpt-image-2`, `gpt-image-2-2026-04-21`, `gpt-image-2.5-sunburst`, `gpt-image-2.5-sunburst-2026-09-08`, `gpt-image-2.5-flare`, and `gpt-image-2.5-flare-2026-09-08`, arbitrary resolutions are supported as `WIDTHxHEIGHT` strings, for example `1536x864`. Width and height must both be divisible by 16 and the requested aspect ratio must be between 1:3 and 3:1. Resolutions above `2560x1440` are experimental, and the maximum supported resolution is `3840x2160`. The requested size must also satisfy the model's current pixel and edge limits. The standard sizes `1024x1024`, `1536x1024`, and `1024x1536` are supported by the GPT image models; `auto` is supported for models that allow automatic sizing.

            - `(string & {})`

            - `"1024x1024" | "1024x1536" | "1536x1024" | "auto"`

              - `"1024x1024"`

              - `"1024x1536"`

              - `"1536x1024"`

              - `"auto"`

        - `LocalShell`

          A tool that allows the model to execute shell commands in a local environment.

          - `type: "local_shell"`

            The type of the local shell tool. Always `local_shell`.

            - `"local_shell"`

        - `FunctionShellTool`

          A tool that allows the model to execute shell commands.

          - `type: "shell"`

            The type of the shell tool. Always `shell`.

            - `"shell"`

          - `allowed_callers?: Array<"direct" | "programmatic"> | null`

            The tool invocation context(s).

            - `"direct"`

            - `"programmatic"`

          - `environment?: ContainerAuto | LocalEnvironment | ContainerReference | null`

            - `ContainerAuto`

              - `type: "container_auto"`

                Automatically creates a container for this request

                - `"container_auto"`

              - `file_ids?: Array<string>`

                An optional list of uploaded files to make available to your code.

              - `memory_limit?: "1g" | "4g" | "16g" | "64g" | null`

                The memory limit for the container.

                - `"1g"`

                - `"4g"`

                - `"16g"`

                - `"64g"`

              - `network_policy?: ContainerNetworkPolicyDisabled | ContainerNetworkPolicyAllowlist`

                Network access policy for the container.

                - `ContainerNetworkPolicyDisabled`

                - `ContainerNetworkPolicyAllowlist`

              - `skills?: Array<SkillReference | InlineSkill>`

                An optional list of skills referenced by id or inline data.

                - `SkillReference`

                  - `skill_id: string`

                    The ID of the referenced skill.

                  - `type: "skill_reference"`

                    References a skill created with the /v1/skills endpoint.

                    - `"skill_reference"`

                  - `version?: string`

                    Optional skill version. Use a positive integer or 'latest'. Omit for default.

                - `InlineSkill`

                  - `description: string`

                    The description of the skill.

                  - `name: string`

                    The name of the skill.

                  - `source: InlineSkillSource`

                    Inline skill payload

                    - `data: string`

                      Base64-encoded skill zip bundle.

                    - `media_type: "application/zip"`

                      The media type of the inline skill payload. Must be `application/zip`.

                      - `"application/zip"`

                    - `type: "base64"`

                      The type of the inline skill source. Must be `base64`.

                      - `"base64"`

                  - `type: "inline"`

                    Defines an inline skill for this request.

                    - `"inline"`

            - `LocalEnvironment`

              - `type: "local"`

                Use a local computer environment.

                - `"local"`

              - `skills?: Array<LocalSkill>`

                An optional list of skills.

                - `description: string`

                  The description of the skill.

                - `name: string`

                  The name of the skill.

                - `path: string`

                  The path to the directory containing the skill.

            - `ContainerReference`

              - `container_id: string`

                The ID of the referenced container.

              - `type: "container_reference"`

                References a container created with the /v1/containers endpoint

                - `"container_reference"`

        - `CustomTool`

          A custom tool that processes input using a specified format. Learn more about   [custom tools](/api/docs/guides/function-calling#custom-tools)

          - `name: string`

            The name of the custom tool, used to identify it in tool calls.

          - `type: "custom"`

            The type of the custom tool. Always `custom`.

            - `"custom"`

          - `allowed_callers?: Array<"direct" | "programmatic"> | null`

            The tool invocation context(s).

            - `"direct"`

            - `"programmatic"`

          - `async?: boolean`

            Whether the tool response can be returned asynchronously versus immediately returned on next response creation.

          - `defer_loading?: boolean`

            Whether this tool should be deferred and discovered via tool search.

          - `description?: string`

            Optional description of the custom tool, used to provide more context.

          - `format?: CustomToolInputFormat`

            The input format for the custom tool. Default is unconstrained text.

            - `Text`

              Unconstrained free-form text.

              - `type: "text"`

                Unconstrained text format. Always `text`.

                - `"text"`

            - `Grammar`

              A grammar defined by the user.

              - `definition: string`

                The grammar definition.

              - `syntax: "lark" | "regex"`

                The syntax of the grammar definition. One of `lark` or `regex`.

                - `"lark"`

                - `"regex"`

              - `type: "grammar"`

                Grammar format. Always `grammar`.

                - `"grammar"`

        - `NamespaceTool`

          Groups function/custom tools under a shared namespace.

          - `description: string`

            A description of the namespace shown to the model.

          - `name: string`

            The namespace name used in tool calls (for example, `crm`).

          - `tools: Array<Function | CustomTool>`

            The function/custom tools available inside this namespace.

            - `Function`

              - `name: string`

              - `type: "function"`

                - `"function"`

              - `allowed_callers?: Array<"direct" | "programmatic"> | null`

                The tool invocation context(s).

                - `"direct"`

                - `"programmatic"`

              - `async?: boolean`

                Whether the tool response can be returned asynchronously versus immediately returned on next response creation.

              - `defer_loading?: boolean`

                Whether this function should be deferred and discovered via tool search.

              - `description?: string | null`

              - `output_schema?: Record<string, unknown> | null`

                A JSON Schema describing the JSON value encoded in string outputs for this function tool. This does not describe content-array outputs.

              - `parameters?: unknown`

              - `strict?: boolean | null`

                Whether to enforce strict parameter validation. If omitted, Responses attempts to use strict validation when the schema is compatible, and falls back to non-strict validation otherwise.

            - `CustomTool`

              A custom tool that processes input using a specified format. Learn more about   [custom tools](/api/docs/guides/function-calling#custom-tools)

          - `type: "namespace"`

            The type of the tool. Always `namespace`.

            - `"namespace"`

        - `ToolSearchTool`

          Hosted or BYOT tool search configuration for deferred tools.

          - `type: "tool_search"`

            The type of the tool. Always `tool_search`.

            - `"tool_search"`

          - `description?: string | null`

            Description shown to the model for a client-executed tool search tool.

          - `execution?: "server" | "client"`

            Whether tool search is executed by the server or by the client.

            - `"server"`

            - `"client"`

          - `parameters?: unknown`

            Parameter schema for a client-executed tool search tool.

        - `WebSearchPreviewTool`

          This tool searches the web for relevant results to use in a response. Learn more about the [web search tool](/api/docs/guides/tools-web-search).

          - `type: "web_search_preview" | "web_search_preview_2025_03_11"`

            The type of the web search tool. One of `web_search_preview` or `web_search_preview_2025_03_11`.

            - `"web_search_preview"`

            - `"web_search_preview_2025_03_11"`

          - `search_content_types?: Array<"text" | "image">`

            - `"text"`

            - `"image"`

          - `search_context_size?: "low" | "medium" | "high"`

            High level guidance for the amount of context window space to use for the search. One of `low`, `medium`, or `high`. `medium` is the default.

            - `"low"`

            - `"medium"`

            - `"high"`

          - `user_location?: UserLocation | null`

            The approximate location of the user. If omitted or null, defaults to the United States. To avoid this fallback, pass `{"type": "approximate"}` without location fields. To localize results, provide the relevant location fields.

            - `type: "approximate"`

              The type of location approximation. Always `approximate`.

              - `"approximate"`

            - `city?: string | null`

              Free text input for the city of the user, e.g. `San Francisco`.

            - `country?: string | null`

              The two-letter [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1) of the user, e.g. `US`.

            - `region?: string | null`

              Free text input for the region of the user, e.g. `California`.

            - `timezone?: string | null`

              The [IANA timezone](https://timeapi.io/documentation/iana-timezones) of the user, e.g. `America/Los_Angeles`.

        - `ApplyPatchTool`

          Allows the assistant to create, delete, or update files using unified diffs.

          - `type: "apply_patch"`

            The type of the tool. Always `apply_patch`.

            - `"apply_patch"`

          - `allowed_callers?: Array<"direct" | "programmatic"> | null`

            The tool invocation context(s).

            - `"direct"`

            - `"programmatic"`

      - `type: "tool_search_output"`

        The type of the item. Always `tool_search_output`.

        - `"tool_search_output"`

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `AdditionalTools`

      - `id: string`

        The unique ID of the additional tools item.

      - `role: "unknown" | "user" | "assistant" | 5 more`

        The role that provided the additional tools.

        - `"unknown"`

        - `"user"`

        - `"assistant"`

        - `"system"`

        - `"critic"`

        - `"discriminator"`

        - `"developer"`

        - `"tool"`

      - `tools: Array<Tool>`

        The additional tool definitions made available at this item.

        - `FunctionTool`

          Defines a function in your own code the model can choose to call. Learn more about [function calling](/api/docs/guides/function-calling).

        - `FileSearchTool`

          A tool that searches for relevant content from uploaded files. Learn more about the [file search tool](/api/docs/guides/tools-file-search).

        - `ComputerTool`

          A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

        - `ComputerUsePreviewTool`

          A tool that controls a virtual computer. Learn more about the [computer tool](/api/docs/guides/tools-computer-use).

        - `WebSearchTool`

          Search the Internet for sources related to the prompt. Learn more about the
          [web search tool](/api/docs/guides/tools-web-search).

        - `Mcp`

          Give the model access to additional tools via remote Model Context Protocol
          (MCP) servers. [Learn more about MCP](/api/docs/guides/tools-connectors-mcp).

        - `CodeInterpreter`

          A tool that runs Python code to help generate a response to a prompt.

        - `ProgrammaticToolCalling`

        - `ImageGeneration`

          A tool that generates images using the GPT image models.

        - `LocalShell`

          A tool that allows the model to execute shell commands in a local environment.

        - `FunctionShellTool`

          A tool that allows the model to execute shell commands.

        - `CustomTool`

          A custom tool that processes input using a specified format. Learn more about   [custom tools](/api/docs/guides/function-calling#custom-tools)

        - `NamespaceTool`

          Groups function/custom tools under a shared namespace.

        - `ToolSearchTool`

          Hosted or BYOT tool search configuration for deferred tools.

        - `WebSearchPreviewTool`

          This tool searches the web for relevant results to use in a response. Learn more about the [web search tool](/api/docs/guides/tools-web-search).

        - `ApplyPatchTool`

          Allows the assistant to create, delete, or update files using unified diffs.

      - `type: "additional_tools"`

        The type of the item. Always `additional_tools`.

        - `"additional_tools"`

    - `ResponseConfigurationUpdateItem`

      A configuration update that applies to subsequent responses until it is
      replaced by another configuration update.

      - `id: string`

        The unique ID of the configuration update item.

      - `type: "configuration_update"`

        The item type. Always `configuration_update`.

        - `"configuration_update"`

      - `reasoning?: Reasoning`

        The reasoning configuration applied by this update.

        - `effort?: ReasoningEffort | null`

          The reasoning effort used for subsequent responses until another
          configuration update replaces it.

          - `"none"`

          - `"minimal"`

          - `"low"`

          - `"medium"`

          - `"high"`

          - `"xhigh"`

          - `"max"`

    - `ResponseReasoningItem`

      A description of the chain of thought used by a reasoning model while generating
      a response. Be sure to include these items in your `input` to the Responses API
      for subsequent turns of a conversation if you are manually
      [managing context](/api/docs/guides/conversation-state).

      - `id: string`

        The unique identifier of the reasoning content.

      - `summary: Array<Summary>`

        Reasoning summary content.

        - `text: string`

          A summary of the reasoning output from the model so far.

        - `type: "summary_text"`

          The type of the object. Always `summary_text`.

          - `"summary_text"`

      - `type: "reasoning"`

        The type of the object. Always `reasoning`.

        - `"reasoning"`

      - `content?: Array<Content>`

        Reasoning text content.

        - `text: string`

          The reasoning text from the model.

        - `type: "reasoning_text"`

          The type of the reasoning text. Always `reasoning_text`.

          - `"reasoning_text"`

      - `encrypted_content?: string | null`

        The encrypted content of the reasoning item. This is populated by default
        for reasoning items returned by `POST /v1/responses` and WebSocket
        `response.create` requests.

        When streaming, use the completed reasoning item and its
        `encrypted_content` from the `response.output_item.done` event in
        subsequent requests. The `encrypted_content` in
        `response.output_item.added` may be incomplete. This is especially
        important when `store` is `false` or when using Zero Data Retention.

      - `status?: "in_progress" | "completed" | "incomplete"`

        The status of the item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

    - `Program`

      - `id: string`

        The unique ID of the program item.

      - `call_id: string`

        The stable call ID of the program item.

      - `code: string`

        The JavaScript source executed by programmatic tool calling.

      - `fingerprint: string`

        Opaque program replay fingerprint that must be round-tripped.

      - `type: "program"`

        The type of the item. Always `program`.

        - `"program"`

    - `ProgramOutput`

      - `id: string`

        The unique ID of the program output item.

      - `call_id: string`

        The call ID of the program item.

      - `result: string`

        The result produced by the program item.

      - `status: "completed" | "incomplete"`

        The terminal status of the program output item.

        - `"completed"`

        - `"incomplete"`

      - `type: "program_output"`

        The type of the item. Always `program_output`.

        - `"program_output"`

    - `ResponseCompactionItem`

      A compaction item generated by the [`v1/responses/compact` API](/api/reference/resources/responses/methods/compact).

      - `id: string`

        The unique ID of the compaction item.

      - `encrypted_content: string`

        The encrypted content that was produced by compaction.

      - `type: "compaction"`

        The type of the item. Always `compaction`.

        - `"compaction"`

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `ImageGenerationCall`

      An image generation request made by the model.

      - `id: string`

        The unique ID of the image generation call.

      - `result: string | null`

        The generated image encoded in base64.

      - `status: "in_progress" | "completed" | "generating" | "failed"`

        The status of the image generation call.

        - `"in_progress"`

        - `"completed"`

        - `"generating"`

        - `"failed"`

      - `type: "image_generation_call"`

        The type of the image generation call. Always `image_generation_call`.

        - `"image_generation_call"`

      - `action?: "generate" | "edit" | "auto" | null`

        The action used for image generation.

        - `"generate"`

        - `"edit"`

        - `"auto"`

      - `background?: "transparent" | "opaque" | "auto" | null`

        The background setting used for generation.

        - `"transparent"`

        - `"opaque"`

        - `"auto"`

      - `output_format?: "png" | "webp" | "jpeg" | null`

        The output format used for generation.

        - `"png"`

        - `"webp"`

        - `"jpeg"`

      - `quality?: "low" | "medium" | "high" | 3 more | null`

        The quality of the image generated by the image generation tool call. One of `low`, `medium`, `high`, `xhigh`, `max`, or `auto`.

        - `"low"`

        - `"medium"`

        - `"high"`

        - `"xhigh"`

        - `"max"`

        - `"auto"`

      - `revised_prompt?: string | null`

        The prompt that was used after any model prompt rewriting.

      - `size?: (string & {}) | "1024x1024" | "1024x1536" | "1536x1024" | null`

        The image dimensions as a `WIDTHxHEIGHT` string, for example `1536x864`.

        - `(string & {})`

        - `"1024x1024" | "1024x1536" | "1536x1024"`

          - `"1024x1024"`

          - `"1024x1536"`

          - `"1536x1024"`

    - `ResponseCodeInterpreterToolCall`

      A tool call to run code.

      - `id: string`

        The unique ID of the code interpreter tool call.

      - `code: string | null`

        The code to run, or null if not available.

      - `container_id: string`

        The ID of the container used to run the code.

      - `outputs: Array<Logs | Image> | null`

        The outputs generated by the code interpreter, such as logs or images.
        Can be null if no outputs are available.

        - `Logs`

          The logs output from the code interpreter.

          - `logs: string`

            The logs output from the code interpreter.

          - `type: "logs"`

            The type of the output. Always `logs`.

            - `"logs"`

        - `Image`

          The image output from the code interpreter.

          - `type: "image"`

            The type of the output. Always `image`.

            - `"image"`

          - `url: string`

            The URL of the image output from the code interpreter.

      - `status: "in_progress" | "completed" | "incomplete" | 2 more`

        The status of the code interpreter tool call. Valid values are `in_progress`, `completed`, `incomplete`, `interpreting`, and `failed`.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

        - `"interpreting"`

        - `"failed"`

      - `type: "code_interpreter_call"`

        The type of the code interpreter tool call. Always `code_interpreter_call`.

        - `"code_interpreter_call"`

    - `LocalShellCall`

      A tool call to run a command on the local shell.

      - `id: string`

        The unique ID of the local shell call.

      - `action: Action`

        Execute a shell command on the server.

        - `command: Array<string>`

          The command to run.

        - `env: Record<string, string>`

          Environment variables to set for the command.

        - `type: "exec"`

          The type of the local shell action. Always `exec`.

          - `"exec"`

        - `timeout_ms?: number | null`

          Optional timeout in milliseconds for the command.

        - `user?: string | null`

          Optional user to run the command as.

        - `working_directory?: string | null`

          Optional working directory to run the command in.

      - `call_id: string`

        The unique ID of the local shell tool call generated by the model.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the local shell call.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "local_shell_call"`

        The type of the local shell call. Always `local_shell_call`.

        - `"local_shell_call"`

    - `LocalShellCallOutput`

      The output of a local shell tool call.

      - `id: string`

        The unique ID of the local shell tool call generated by the model.

      - `output: string`

        A JSON string of the output of the local shell tool call.

      - `type: "local_shell_call_output"`

        The type of the local shell tool call output. Always `local_shell_call_output`.

        - `"local_shell_call_output"`

      - `status?: "in_progress" | "completed" | "incomplete" | null`

        The status of the item. One of `in_progress`, `completed`, or `incomplete`.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

    - `ResponseFunctionShellToolCall`

      A tool call that executes one or more shell commands in a managed environment.

      - `id: string`

        The unique ID of the shell tool call. Populated when this item is returned via API.

      - `action: Action`

        The shell commands and limits that describe how to run the tool call.

        - `commands: Array<string>`

        - `max_output_length: number | null`

          Optional maximum number of characters to return from each command.

        - `timeout_ms: number | null`

          Optional timeout in milliseconds for the commands.

      - `call_id: string`

        The unique ID of the shell tool call generated by the model.

      - `environment: ResponseLocalEnvironment | ResponseContainerReference | null`

        Represents the use of a local environment to perform shell actions.

        - `ResponseLocalEnvironment`

          Represents the use of a local environment to perform shell actions.

          - `type: "local"`

            The environment type. Always `local`.

            - `"local"`

        - `ResponseContainerReference`

          Represents a container created with /v1/containers.

          - `container_id: string`

          - `type: "container_reference"`

            The environment type. Always `container_reference`.

            - `"container_reference"`

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the shell call. One of `in_progress`, `completed`, or `incomplete`.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "shell_call"`

        The type of the item. Always `shell_call`.

        - `"shell_call"`

      - `caller?: Direct | Program | null`

        The execution context that produced this tool call.

        - `Direct`

          - `type: "direct"`

            - `"direct"`

        - `Program`

          - `caller_id: string`

            The call ID of the program item that produced this tool call.

          - `type: "program"`

            - `"program"`

      - `created_by?: string`

        The ID of the entity that created this tool call.

    - `ResponseFunctionShellToolCallOutput`

      The output of a shell tool call that was emitted.

      - `id: string`

        The unique ID of the shell call output. Populated when this item is returned via API.

      - `call_id: string`

        The unique ID of the shell tool call generated by the model.

      - `max_output_length: number | null`

        The maximum length of the shell command output. This is generated by the model and should be passed back with the raw output.

      - `output: Array<Output>`

        An array of shell call output contents

        - `outcome: Timeout | Exit`

          Represents either an exit outcome (with an exit code) or a timeout outcome for a shell call output chunk.

          - `Timeout`

            Indicates that the shell call exceeded its configured time limit.

            - `type: "timeout"`

              The outcome type. Always `timeout`.

              - `"timeout"`

          - `Exit`

            Indicates that the shell commands finished and returned an exit code.

            - `exit_code: number`

              Exit code from the shell process.

            - `type: "exit"`

              The outcome type. Always `exit`.

              - `"exit"`

        - `stderr: string`

          The standard error output that was captured.

        - `stdout: string`

          The standard output that was captured.

        - `created_by?: string`

          The identifier of the actor that created the item.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the shell call output. One of `in_progress`, `completed`, or `incomplete`.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `type: "shell_call_output"`

        The type of the shell call output. Always `shell_call_output`.

        - `"shell_call_output"`

      - `caller?: Direct | Program | null`

        The execution context that produced this tool call.

        - `Direct`

          - `type: "direct"`

            - `"direct"`

        - `Program`

          - `caller_id: string`

            The call ID of the program item that produced this tool call.

          - `type: "program"`

            - `"program"`

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `ResponseApplyPatchToolCall`

      A tool call that applies file diffs by creating, deleting, or updating files.

      - `id: string`

        The unique ID of the apply patch tool call. Populated when this item is returned via API.

      - `call_id: string`

        The unique ID of the apply patch tool call generated by the model.

      - `operation: CreateFile | DeleteFile | UpdateFile`

        One of the create_file, delete_file, or update_file operations applied via apply_patch.

        - `CreateFile`

          Instruction describing how to create a file via the apply_patch tool.

          - `diff: string`

            Diff to apply.

          - `path: string`

            Path of the file to create.

          - `type: "create_file"`

            Create a new file with the provided diff.

            - `"create_file"`

        - `DeleteFile`

          Instruction describing how to delete a file via the apply_patch tool.

          - `path: string`

            Path of the file to delete.

          - `type: "delete_file"`

            Delete the specified file.

            - `"delete_file"`

        - `UpdateFile`

          Instruction describing how to update a file via the apply_patch tool.

          - `diff: string`

            Diff to apply.

          - `path: string`

            Path of the file to update.

          - `type: "update_file"`

            Update an existing file with the provided diff.

            - `"update_file"`

      - `status: "in_progress" | "completed"`

        The status of the apply patch tool call. One of `in_progress` or `completed`.

        - `"in_progress"`

        - `"completed"`

      - `type: "apply_patch_call"`

        The type of the item. Always `apply_patch_call`.

        - `"apply_patch_call"`

      - `caller?: Direct | Program | null`

        The execution context that produced this tool call.

        - `Direct`

          - `type: "direct"`

            - `"direct"`

        - `Program`

          - `caller_id: string`

            The call ID of the program item that produced this tool call.

          - `type: "program"`

            - `"program"`

      - `created_by?: string`

        The ID of the entity that created this tool call.

    - `ResponseApplyPatchToolCallOutput`

      The output emitted by an apply patch tool call.

      - `id: string`

        The unique ID of the apply patch tool call output. Populated when this item is returned via API.

      - `call_id: string`

        The unique ID of the apply patch tool call generated by the model.

      - `status: "completed" | "failed"`

        The status of the apply patch tool call output. One of `completed` or `failed`.

        - `"completed"`

        - `"failed"`

      - `type: "apply_patch_call_output"`

        The type of the item. Always `apply_patch_call_output`.

        - `"apply_patch_call_output"`

      - `caller?: Direct | Program | null`

        The execution context that produced this tool call.

        - `Direct`

          - `type: "direct"`

            - `"direct"`

        - `Program`

          - `caller_id: string`

            The call ID of the program item that produced this tool call.

          - `type: "program"`

            - `"program"`

      - `created_by?: string`

        The ID of the entity that created this tool call output.

      - `output?: string | null`

        Optional textual output returned by the apply patch tool.

    - `McpListTools`

      A list of tools available on an MCP server.

      - `id: string`

        The unique ID of the list.

      - `server_label: string`

        The label of the MCP server.

      - `tools: Array<Tool>`

        The tools available on the server.

        - `input_schema: unknown`

          The JSON schema describing the tool's input.

        - `name: string`

          The name of the tool.

        - `annotations?: unknown`

          Additional annotations about the tool.

        - `description?: string | null`

          The description of the tool.

      - `type: "mcp_list_tools"`

        The type of the item. Always `mcp_list_tools`.

        - `"mcp_list_tools"`

      - `error?: string | null`

        Error message if the server could not list tools.

    - `McpApprovalRequest`

      A request for human approval of a tool invocation.

      - `id: string`

        The unique ID of the approval request.

      - `arguments: string`

        A JSON string of arguments for the tool.

      - `name: string`

        The name of the tool to run.

      - `server_label: string`

        The label of the MCP server making the request.

      - `type: "mcp_approval_request"`

        The type of the item. Always `mcp_approval_request`.

        - `"mcp_approval_request"`

    - `McpApprovalResponse`

      A response to an MCP approval request.

      - `id: string`

        The unique ID of the approval response

      - `approval_request_id: string`

        The ID of the approval request being answered.

      - `approve: boolean`

        Whether the request was approved.

      - `type: "mcp_approval_response"`

        The type of the item. Always `mcp_approval_response`.

        - `"mcp_approval_response"`

      - `reason?: string | null`

        Optional reason for the decision.

    - `McpCall`

      An invocation of a tool on an MCP server.

      - `id: string`

        The unique ID of the tool call.

      - `arguments: string`

        A JSON string of the arguments passed to the tool.

      - `name: string`

        The name of the tool that was run.

      - `server_label: string`

        The label of the MCP server running the tool.

      - `type: "mcp_call"`

        The type of the item. Always `mcp_call`.

        - `"mcp_call"`

      - `approval_request_id?: string | null`

        Unique identifier for the MCP tool call approval request.
        Include this value in a subsequent `mcp_approval_response` input to approve or reject the corresponding tool call.

      - `error?: McpToolCallError | null`

        The error from the tool call, if any.

        - `McpProtocolError`

          - `code: number`

          - `message: string`

          - `type: "mcp_protocol_error"`

            - `"mcp_protocol_error"`

        - `McpToolExecutionError`

          - `content: unknown`

          - `type: "mcp_tool_execution_error"`

            - `"mcp_tool_execution_error"`

        - `HTTPError`

          - `code: number`

          - `message: string`

          - `type: "http_error"`

            - `"http_error"`

      - `output?: string | null`

        The output from the tool call.

      - `status?: "in_progress" | "completed" | "incomplete" | 2 more`

        The status of the tool call. One of `in_progress`, `completed`, `incomplete`, `calling`, or `failed`.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

        - `"calling"`

        - `"failed"`

    - `ResponseCustomToolCallItem extends ResponseCustomToolCall`

      A call to a custom tool created by the model.

      - `id: string`

        The unique ID of the custom tool call item.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `created_by?: string`

        The identifier of the actor that created the item.

    - `ResponseCustomToolCallOutputItem extends ResponseCustomToolCallOutput`

      The output of a custom tool call from your code, being sent back to the model.

      - `id: string`

        The unique ID of the custom tool call output item.

      - `status: "in_progress" | "completed" | "incomplete"`

        The status of the item. One of `in_progress`, `completed`, or
        `incomplete`. Populated when items are returned via API.

        - `"in_progress"`

        - `"completed"`

        - `"incomplete"`

      - `created_by?: string`

        The identifier of the actor that created the item.

  - `first_id: string`

    The ID of the first item in the list.

  - `has_more: boolean`

    Whether there are more items available.

  - `last_id: string`

    The ID of the last item in the list.

  - `object: "list"`

    The type of object returned, must be `list`.

    - `"list"`
