Skip to main content

Claude SDK for Python

PyPI version

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-5-5",
)

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.

Metadata

Release files for anthropic 1.11.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for anthropic 1.11.0
File Size Uploaded
anthropic-1.11.0.tar.gz 1.4 MB Details

Built distribution (wheel)

Table of built distributions (wheels) for anthropic 1.11.0
File Interpreter ABI Platform
anthropic-1.11.0-py3-none-any.whl Python 3 none any Details

Total release size: 3.1 MB

Release files / anthropic-1.11.0.tar.gz

Download URL anthropic-1.11.0.tar.gz
Size 1.4 MB
Tags Source
SHA-256 checksum
How to use checksums
3906fabac7ad7b5b46c6186040398fc7826885c77ce34e4dd7849de16fc8d0f8
BLAKE2b-256 checksum
How to use checksums
ad129a6ffa397b172adb040008d934a1dfd85d0e4cefc77489416db294ffc880
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via uv/0.9.13 {"installer":{"name":"uv","version":"0.9.13"},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}

Release files / anthropic-1.11.0-py3-none-any.whl

Download URL anthropic-1.11.0-py3-none-any.whl
Size 1.7 MB
Tags Python 3
SHA-256 checksum
How to use checksums
52f97b2c485cca7ac66058374f5073a3febb7e6849b16989c145d602a3efee21
BLAKE2b-256 checksum
How to use checksums
ab6f20edcd2956cac68042b1bcdd13ab3311447519f86b26929ff268dc74c650
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via uv/0.9.13 {"installer":{"name":"uv","version":"0.9.13"},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}

Release history Release notifications | RSS feed

This release

1.11.0 This release

2 release files

1.10.0

2 release files

1.9.0

2 release files

1.8.0

2 release files

1.7.0

2 release files

1.6.0

2 release files

1.5.0

2 release files

1.4.0

2 release files

1.3.0

2 release files

1.2.0

2 release files

1.1.0

2 release files

1.0.0

2 release files

0.97.0

2 release files

0.96.0

2 release files

0.95.0

2 release files

0.94.1

2 release files

0.94.0

2 release files

0.87.0

2 release files

0.86.0

2 release files

0.85.0

2 release files

0.84.0

2 release files

0.83.0

2 release files

0.82.0

2 release files

0.81.0

2 release files

0.80.0

2 release files

0.77.0

2 release files

0.76.0

2 release files

0.75.0

2 release files

0.74.1

2 release files

0.74.0

2 release files

0.73.0

2 release files

0.72.1

2 release files

0.72.0

2 release files

0.71.1

2 release files

0.71.0

2 release files

0.70.0

2 release files

0.69.0

2 release files

0.68.2

2 release files

0.68.1

2 release files

0.68.0

2 release files

0.67.0

2 release files

0.64.0

2 release files

0.63.0

2 release files

0.60.0

2 release files

0.59.0

2 release files

0.58.2

2 release files

0.58.1

2 release files

0.58.0

2 release files

0.55.0

2 release files

0.54.0

2 release files

0.52.1

2 release files

0.52.0

2 release files

0.50.0

2 release files

0.49.0

2 release files

0.48.0

2 release files

0.47.2

2 release files

0.47.1

2 release files

0.47.0

2 release files

0.46.0

2 release files

0.45.2

2 release files

0.45.1

2 release files

0.45.0

2 release files

0.44.0

2 release files

0.43.1

2 release files

0.43.0

2 release files

0.42.0

2 release files

0.41.0

2 release files

0.40.0

2 release files

0.37.1

2 release files

0.37.0

2 release files

0.36.2

2 release files

0.36.1

2 release files

0.34.1

2 release files

0.34.0

2 release files

0.33.1

2 release files

0.32.0

2 release files

0.31.2

2 release files

0.31.1

2 release files

0.31.0

2 release files

0.30.0

2 release files

0.29.2

2 release files

0.29.0

2 release files

0.28.1

2 release files

0.28.0

1 release file

0.27.0

2 release files

0.26.1

2 release files

0.26.0

2 release files

0.25.9

2 release files

0.25.7

2 release files

0.25.6

2 release files

0.25.5

2 release files

0.25.4

2 release files

0.25.3

2 release files

0.25.2

2 release files

0.25.1

2 release files

0.21.3

2 release files

0.21.2

2 release files

0.21.1

2 release files

0.21.0

2 release files

0.20.0

2 release files

0.19.2

2 release files

0.16.0

2 release files

0.14.0

2 release files

0.13.0

2 release files

0.12.0

2 release files

0.11.0

2 release files

0.10.0

2 release files

0.9.0

2 release files

0.8.1

2 release files

0.8.0

2 release files

0.7.8

2 release files

0.7.7

2 release files

0.7.6

2 release files

0.7.5

2 release files

0.7.4

2 release files

0.7.3

2 release files

0.7.2

2 release files

0.7.1

2 release files

0.7.0

2 release files

0.6.0

2 release files

0.5.0

2 release files

0.4.1

2 release files

0.3.11

2 release files

0.3.10

2 release files

0.3.9

2 release files

0.3.8

2 release files

0.3.7

2 release files

0.3.6

2 release files

0.3.5

2 release files

0.3.4

2 release files

0.3.3

2 release files

0.3.2

2 release files

0.3.1

2 release files

0.3.0

2 release files

0.2.9

2 release files

0.2.8

2 release files

0.2.7

2 release files

0.2.6

2 release files

0.2.5

2 release files

0.2.4

2 release files

0.2.3

2 release files

0.2.2

2 release files

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page