DeepSeek api开放平台 · 开发者中心

from openai import OpenAI

# 初始化 DeepSeek 客户端连接
client = OpenAI(
    api_key="sk-deepseek-your-api-key",
    base_url="https://api.deepseek.com"  # 官方接口地址
)

# 调用满血版 DeepSeek-R1 纯强化学习推理大模型
response = client.chat.completions.create(
    model="deepseek-reasoner",
    messages=[
        {"role": "system", "content": "你是一位精通拓扑代数与分布式算法的首席科学家。"},
        {"role": "user", "content": "请给出在异步拜占庭容错协议 (BFT) 下的最优消息复杂度证明。"}
    ],
    stream=True
)

for chunk in response:
    # 原生返回长思维链流式内容
    if hasattr(chunk.choices[0].delta, 'reasoning_content') and chunk.choices[0].delta.reasoning_content:
        print(chunk.choices[0].delta.reasoning_content, end="", flush=True)
    elif chunk.choices[0].delta.content:
        print(chunk.choices[0].delta.content, end="", flush=True)