Create Model Response (GPT-5 Thinking Enabled)

POST

/v1/responses

• GPT-5 series models enable thinking and summaries via reasoning (effort, summary)
• Supports multi-segment input (e.g. input_text) and streaming with stream: true
• Compatible with the OpenAI Responses API create response endpoint
• Official docs: Create a model response

Authorizations

bearer

Type

HTTP (bearer)

Request Body

application/json

object

ID of the model to use. See the model endpoint compatibility table for which models work with the Responses API.

object[]

Required

Text, image, and other inputs for the model to generate a response.

A list of tools the model may call. Currently only functions are supported as tools.

object

Configuration options for the model's text response. May be plain text or structured JSON.

object

Set to true for streaming. Partial message deltas are sent via SSE and the stream ends with data: [DONE].

Whether to store the generated model response for later retrieval via the API. Default is true.