gpt-5.1-codex(仅支持/v1/responses)

Testing

POST

https://api.mixrouter.com/v1/chat/completions

Input：text、image

Output：text

只能使用cli工具调用，不支持api调用。

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Example

{
    "model": "gpt-5.1-chat-latest",
    "max_tokens": 2000,
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "1+2+3+4+...+100=?"
                }
            ]
        }
    ],
    "temperature": 0.8,
    "top_p": 0.1,
    "steam": false
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.mixrouter.com/v1/chat/completions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-5.1-chat-latest",
    "max_tokens": 2000,
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "1+2+3+4+...+100=?"
                }
            ]
        }
    ],
    "temperature": 0.8,
    "top_p": 0.1,
    "steam": false
}'

Responses

🟢200OK

application/json

Body

Example

{
  "id": "chatcmpl-Cqrw6VZ14sFHw0Gwx7clx0ASSl0aa",
  "object": "chat.completion",
  "created": 1766716422,
  "model": "gpt-5.1-chat-latest",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "The sum 1 + 2 + 3 + ... + 100 equals:\n\n100 × 101 / 2 = 5050",
        "refusal": null,
        "annotations": []
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 18,
    "completion_tokens": 37,
    "total_tokens": 55,
    "prompt_tokens_details": {
      "cached_tokens": 0,
      "audio_tokens": 0
    },
    "completion_tokens_details": {
      "reasoning_tokens": 0,
      "audio_tokens": 0,
      "accepted_prediction_tokens": 0,
      "rejected_prediction_tokens": 0
    }
  },
  "service_tier": "default",
  "system_fingerprint": null
}

Modified at 2025-12-31 06:43:37

gpt-5.1-chat-latest

gpt-5.2