ChatGPT · JSON Structure

Chatgpt Responses Response Object Structure

Type: object Properties: 21

AgentsAIChatGPTEmbeddingsFine-TuningGPT-4GPT-5Language ModelOpenAIRealtime

ResponseObject is a JSON Structure definition published by ChatGPT, describing 21 properties. It conforms to the https://json-structure.org/draft/2020-12/schema meta-schema.

Properties

id object created_at model status output error incomplete_details instructions metadata temperature top_p max_output_tokens previous_response_id reasoning text tools tool_choice truncation user service_tier

Meta-schema: https://json-structure.org/draft/2020-12/schema

JSON Structure

{
  "$schema": "https://json-structure.org/draft/2020-12/schema",
  "name": "ResponseObject",
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "object": {
      "type": "string"
    },
    "created_at": {
      "type": "integer"
    },
    "model": {
      "type": "string"
    },
    "status": {
      "type": "string"
    },
    "output": {
      "type": "array"
    },
    "error": {
      "type": "object"
    },
    "incomplete_details": {
      "type": "object"
    },
    "instructions": {
      "type": "string"
    },
    "metadata": {
      "type": "object"
    },
    "temperature": {
      "type": "number"
    },
    "top_p": {
      "type": "number"
    },
    "max_output_tokens": {
      "type": "integer"
    },
    "previous_response_id": {
      "type": "string"
    },
    "reasoning": {
      "type": "object"
    },
    "text": {
      "type": "object"
    },
    "tools": {
      "type": "array"
    },
    "tool_choice": {
      "type": "string"
    },
    "truncation": {
      "type": "string"
    },
    "user": {
      "type": "string"
    },
    "service_tier": {
      "type": "string"
    }
  }
}