from anthropic import Anthropic

client = Anthropic(
    api_key="你的密钥",
    base_url="https://api.wanlai.ai",
)

message = client.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello, Claude"}],
)

print(message.content)