OpenAI 聊天补全接口

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://aireiter.com/api/v1"
)

response = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=[
        {"role": "user", "content": "用 Python 实现快速排序"}
    ]
)

print(response.choices[0].message.content)

response = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=[
        {"role": "system",    "content": "你是一位资深 Python 开发专家，擅长代码审查和性能优化。"},
        {"role": "user",      "content": "什么是 GIL？"},
        {"role": "assistant", "content": "GIL（全局解释器锁）是..."},
        {"role": "user",      "content": "怎么绕过 GIL 实现真正的并行？"}
    ],
    temperature=0.3
)

stream = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=[{"role": "user", "content": "写一篇关于量子计算的技术博客"}],
    stream=True
)

for chunk in stream:
    delta = chunk.choices[0].delta
    if delta.content:
        print(delta.content, end="", flush=True)

import json

tools = [
    {
        "type": "function",
        "function": {
            "name": "get_stock_price",
            "description": "获取股票实时价格",
            "parameters": {
                "type": "object",
                "properties": {
                    "ticker": {"type": "string", "description": "股票代码，例如：AAPL"}
                },
                "required": ["ticker"]
            }
        }
    }
]

messages = [{"role": "user", "content": "特斯拉股价是多少？"}]

# 第一轮：模型决定调用工具
response = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=messages,
    tools=tools
)

# 处理工具调用
if response.choices[0].finish_reason == "tool_calls":
    tool_call = response.choices[0].message.tool_calls[0]

    # 执行工具（业务逻辑）
    tool_result = {"price": 245.80, "currency": "USD"}

    # 第二轮：将结果返回给模型
    messages += [
        response.choices[0].message,
        {
            "role": "tool",
            "tool_call_id": tool_call.id,
            "content": json.dumps(tool_result)
        }
    ]

    final = client.chat.completions.create(
        model="claude-sonnet-4-5-20250929",
        messages=messages,
        tools=tools
    )
    print(final.choices[0].message.content)

response = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=[
        {"role": "user", "content": "分析以下产品评论的情感：'这款耳机音质出色，但续航一般'"}
    ],
    response_format={
        "type": "json_schema",
        "json_schema": {
            "name": "sentiment_analysis",
            "strict": True,
            "schema": {
                "type": "object",
                "properties": {
                    "sentiment":   {"type": "string", "enum": ["positive", "negative", "mixed"]},
                    "score":       {"type": "number", "description": "情感分值 -1.0 到 1.0"},
                    "highlights":  {"type": "array", "items": {"type": "string"}}
                },
                "required": ["sentiment", "score", "highlights"]
            }
        }
    }
)

result = json.loads(response.choices[0].message.content)
print(result)
# {"sentiment": "mixed", "score": 0.2, "highlights": ["音质出色", "续航一般"]}

# 创意写作：高温度 + 频率惩罚
response = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=[{"role": "user", "content": "写一首关于秋天的现代诗"}],
    temperature=0.9,
    frequency_penalty=0.5,
    presence_penalty=0.3
)

# 精确输出：低温度 + 固定种子
response = client.chat.completions.create(
    model="claude-sonnet-4-5-20250929",
    messages=[{"role": "user", "content": "计算 1234 × 5678 的结果"}],
    temperature=0.0,
    seed=42
)

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","task_id":"task_abc123","choices":[{"index":0,"delta":{"role":"assistant"},"finish_reason":null}]}

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{"content":"你好"},"finish_reason":null}]}

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{"content":"！"},"finish_reason":null}]}

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{},"finish_reason":"stop"}],"usage":{"prompt_tokens":12,"completion_tokens":5,"total_tokens":17}}

data: [DONE]

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"id":"call_abc","type":"function","function":{"name":"get_weather","arguments":""}}]},"finish_reason":null}]}

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"{\"city\""}}]},"finish_reason":null}]}

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":": \"北京\"}"}}]},"finish_reason":null}]}

data: {"id":"chatcmpl-xxx","object":"chat.completion.chunk","created":1741680000,"model":"claude-sonnet-4-5-20250929","choices":[{"index":0,"delta":{},"finish_reason":"tool_calls"}],"usage":{"prompt_tokens":85,"completion_tokens":22,"total_tokens":107}}

data: [DONE]