Claude SDK for Python
The Claude SDK for Python provides access to the Claude API from Python applications.
Documentation
Full documentation is available at platform.claude.com/docs/en/api/sdks/python.
Installation
pip install anthropic
Upgrading from a 0.x release? See the v1 migration guide.
Getting started
import os
from anthropic import Anthropic
client = Anthropic(
api_key=os.environ.get("ANTHROPIC_API_KEY"), # This is the default and can be omitted
)
message = client.messages.create(
max_tokens=1024,
messages=[
{
"role": "user",
"content": "Hello, Claude",
}
],
model="claude-opus-5",
)
print(message.content)
Requirements
Python 3.10+
Contributing
See CONTRIBUTING.md.
License
This project is licensed under the MIT License. See the LICENSE file for details.
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