stream=false 时读取 choices[0].message.content;stream=true 时按 SSE 逐条读取 choices[0].delta.content,收到 data: [DONE] 后结束。usage.prompt_tokens、usage.completion_tokens 和 usage.total_tokens。{
"model": "gpt-5.6-sol",
"messages": [
{
"role": "system",
"content": "你是一个简洁、准确的助手。"
},
{
"role": "user",
"content": "用三句话解释什么是向量数据库。"
}
],
"max_completion_tokens": 800,
"reasoning_effort": "medium",
"stream": false
}curl --location '/v1/chat/completions' \
--header 'Content-Type: application/json' \
--data '{
"model": "gpt-5.6-sol",
"messages": [
{
"role": "system",
"content": "你是一个简洁、准确的助手。"
},
{
"role": "user",
"content": "用三句话解释什么是向量数据库。"
}
],
"max_completion_tokens": 800,
"reasoning_effort": "medium",
"stream": false
}'text/event-stream。{
"id": "chatcmpl_01example",
"object": "chat.completion",
"created": 1786400000,
"model": "gpt-5.6-sol",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "向量数据库用于存储和检索向量表示。它通过相似度搜索找到语义接近的数据。常用于检索增强生成、推荐和多媒体搜索。"
},
"finish_reason": "stop"
}
],
"usage": {
"prompt_tokens": 25,
"completion_tokens": 48,
"total_tokens": 73
}
}