对话补全 API

端点

POST /v1/chat/completions

请求体

{
  "model": "gpt-4o",
  "messages": [
    {"role": "system", "content": "你是一个有帮助的助手。"},
    {"role": "user", "content": "法国的首都是哪里？"}
  ],
  "temperature": 0.7,
  "max_tokens": 1000
}

响应

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1700000000,
  "model": "gpt-4o",
  "choices": [
    {
      "index": 0,
      "message": {"role": "assistant", "content": "法国的首都是巴黎。"},
      "finish_reason": "stop"
    }
  ],
  "usage": {"prompt_tokens": 20, "completion_tokens": 8, "total_tokens": 28}
}

流式响应

设置 stream: true 启用 server-sent events。