Chat Completions Overview
The Chat Completions API endpoint will generate a model response from a list of messages comprising a conversation.
Related guides:
- Quickstart
- Text inputs and outputs
- Image inputs
- Audio inputs and outputs
- Structured Outputs
- Function calling
- Conversation state
Starting a new project? We recommend trying Responses to take advantage of the latest OpenAI platform features. Compare Chat Completions with Responses.