API Reference

Evals

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List evals

evals.list(EvalListParams**kwargs) -> SyncCursorPage[EvalListResponse]

GET/evals

List evaluations for a project.

ParametersExpand Collapse

after: Optional[str]

Identifier for the last eval from the previous pagination request.

limit: Optional[int]

Number of evals to retrieve.

order: Optional[Literal["asc", "desc"]]

Sort order for evals by timestamp. Use asc for ascending order or desc for descending order.

order_by: Optional[Literal["created_at", "updated_at"]]

Evals can be ordered by creation time or last updated time. Use created_at for creation time or updated_at for last updated time.

ReturnsExpand Collapse

class EvalListResponse: …

An Eval object with a data source config and testing criteria. An Eval represents a task to be done for your LLM integration. Like:

• Improve the quality of my chatbot
• See how well my chatbot handles customer support
• Check if o4-mini is better at my usecase than gpt-4o

id: str

Unique identifier for the evaluation.

created_at: int

The Unix timestamp (in seconds) for when the eval was created.

formatunixtime

data_source_config: DataSourceConfig

Configuration of data sources used in runs of the evaluation.

metadata: Optional[Metadata]

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.

name: str

The name of the evaluation.

object: Literal["eval"]

The object type.

testing_criteria: List[TestingCriterion]

A list of testing criteria.

List evals

Python

HTTP

Python

TypeScript

Go

Ruby

Java

CLI Tool

from openai import OpenAI
client = OpenAI()

evals = client.evals.list(limit=1)
print(evals)

{
  "object": "list",
  "data": [
    {
      "id": "eval_67abd54d9b0081909a86353f6fb9317a",
      "object": "eval",
      "data_source_config": {
        "type": "stored_completions",
        "metadata": {
          "usecase": "push_notifications_summarizer"
        },
        "schema": {
          "type": "object",
          "properties": {
            "item": {
              "type": "object"
            },
            "sample": {
              "type": "object"
            }
          },
          "required": [
            "item",
            "sample"
          ]
        }
      },
      "testing_criteria": [
        {
          "name": "Push Notification Summary Grader",
          "id": "Push Notification Summary Grader-9b876f24-4762-4be9-aff4-db7a9b31c673",
          "type": "label_model",
          "model": "o3-mini",
          "input": [
            {
              "type": "message",
              "role": "developer",
              "content": {
                "type": "input_text",
                "text": "\nLabel the following push notification summary as either correct or incorrect.\nThe push notification and the summary will be provided below.\nA good push notificiation summary is concise and snappy.\nIf it is good, then label it as correct, if not, then incorrect.\n"
              }
            },
            {
              "type": "message",
              "role": "user",
              "content": {
                "type": "input_text",
                "text": "\nPush notifications: {{item.input}}\nSummary: {{sample.output_text}}\n"
              }
            }
          ],
          "passing_labels": [
            "correct"
          ],
          "labels": [
            "correct",
            "incorrect"
          ],
          "sampling_params": null
        }
      ],
      "name": "Push Notification Summary Grader",
      "created_at": 1739314509,
      "metadata": {
        "description": "A stored completions eval for push notification summaries"
      }
    }
  ],
  "first_id": "eval_67abd54d9b0081909a86353f6fb9317a",
  "last_id": "eval_67aa884cf6688190b58f657d4441c8b7",
  "has_more": true
}

Returns Examples

{
  "object": "list",
  "data": [
    {
      "id": "eval_67abd54d9b0081909a86353f6fb9317a",
      "object": "eval",
      "data_source_config": {
        "type": "stored_completions",
        "metadata": {
          "usecase": "push_notifications_summarizer"
        },
        "schema": {
          "type": "object",
          "properties": {
            "item": {
              "type": "object"
            },
            "sample": {
              "type": "object"
            }
          },
          "required": [
            "item",
            "sample"
          ]
        }
      },
      "testing_criteria": [
        {
          "name": "Push Notification Summary Grader",
          "id": "Push Notification Summary Grader-9b876f24-4762-4be9-aff4-db7a9b31c673",
          "type": "label_model",
          "model": "o3-mini",
          "input": [
            {
              "type": "message",
              "role": "developer",
              "content": {
                "type": "input_text",
                "text": "\nLabel the following push notification summary as either correct or incorrect.\nThe push notification and the summary will be provided below.\nA good push notificiation summary is concise and snappy.\nIf it is good, then label it as correct, if not, then incorrect.\n"
              }
            },
            {
              "type": "message",
              "role": "user",
              "content": {
                "type": "input_text",
                "text": "\nPush notifications: {{item.input}}\nSummary: {{sample.output_text}}\n"
              }
            }
          ],
          "passing_labels": [
            "correct"
          ],
          "labels": [
            "correct",
            "incorrect"
          ],
          "sampling_params": null
        }
      ],
      "name": "Push Notification Summary Grader",
      "created_at": 1739314509,
      "metadata": {
        "description": "A stored completions eval for push notification summaries"
      }
    }
  ],
  "first_id": "eval_67abd54d9b0081909a86353f6fb9317a",
  "last_id": "eval_67aa884cf6688190b58f657d4441c8b7",
  "has_more": true
}