{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ChatCompletionResponse",
  "title": "ChatCompletionStreamResponse",
  "additionalProperties": false,
  "properties": {
    "id": {
      "title": "Id",
      "type": "string",
      "description": "A unique identifier for the chat completion."
    },
    "object": {
      "const": "chat.completion.chunk",
      "default": "chat.completion.chunk",
      "title": "Object",
      "type": "string",
      "description": "The object type, always `chat.completion` or `chat.completion.chunk` for streaming."
    },
    "created": {
      "title": "Created",
      "type": "integer",
      "description": "The Unix timestamp (in seconds) of when the completion was created."
    },
    "model": {
      "title": "Model",
      "type": "string",
      "description": "The model used for the completion."
    },
    "choices": {
      "items": {
        "$ref": "#/components/schemas/ChatCompletionResponseStreamChoice"
      },
      "title": "Choices",
      "type": "array",
      "description": "A list of chat completion choices."
    },
    "usage": {
      "default": null,
      "description": "Token usage statistics for the request. Only present when streaming with `stream_options.include_usage: true`.",
      "$ref": "#/components/schemas/UsageInfo"
    }
  },
  "required": [
    "model",
    "choices"
  ],
  "type": "object",
  "description": "A chat completion response returned by the model."
}