Reference · Snippet · python

Anthropic messages — minimal

anthropicchatbeginner

import anthropic

client = anthropic.Anthropic()  # ANTHROPIC_API_KEY

message = client.messages.create(
    model="claude-sonnet-4-20250514",
    max_tokens=256,
    messages=[{"role": "user", "content": "Explain RAG in one sentence."}],
)
print(message.content[0].text)