OpenAI 常用格式（Chat Completions）

POST

/v1/chat/completions

OpenAI兼容格式，最常用的AI接口格式，给定一组包含对话的消息列表，模型将返回一个响应。

请求参数

Header 参数

Body 参数application/json

{
    "model": "gpt-4.1",
    "messages": [
        {
            "role": "system",
            "content": "你是一个有帮助的助手。"
        },
        {
            "role": "user",
            "content": "你能做什么？"
        }
    ]
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location -g --request POST '/v1/chat/completions' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-4.1",
    "messages": [
        {
            "role": "system",
            "content": "你是一个有帮助的助手。"
        },
        {
            "role": "user",
            "content": "你能做什么？"
        }
    ]
}'

返回响应

🟢200成功

application/json

Body

{
    "id": "chatcmpl-B9MBs8CjcvOU2jLn4n570S5qMJKcT",
    "object": "chat.completion",
    "created": 1741569952,
    "model": "gpt-4.1-2025-04-14",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "你好！我能为你提供什么帮助？",
                "refusal": null,
                "annotations": []
            },
            "logprobs": null,
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 19,
        "completion_tokens": 10,
        "total_tokens": 29,
        "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"
}

修改于 2025-09-11 13:57:53

OpenAI 响应格式（Responses）