Claude Opus 4

curl

curl https://api.anthropic.com/v1/messages \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{
    "model": "claude-opus-4-20250514",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "你好，介绍一下你自己"}]
  }'

Python

from anthropic import Anthropic

client = Anthropic(api_key="YOUR_API_KEY", base_url="https://api.anthropic.com")
message = client.messages.create(
    model="claude-opus-4-20250514",
    max_tokens=1024,
    messages=[{"role": "user", "content": "你好，介绍一下你自己"}],
)
print(message.content[0].text)