langchain-anthropic

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Looking for the JS/TS version? Check out LangChain.js.

Quick Install

uv add langchain-anthropic

🤔 What is this?

This package contains the LangChain integration for Anthropic's generative models.

📖 Documentation

For full documentation, see the API reference. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs.

📕 Releases & Versioning

See our Releases and Versioning policies.

💁 Contributing

As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infrastructure, or better documentation.

For detailed information on how to contribute, see the Contributing Guide.

Resources

  • LangChain Academy — comprehensive, free courses on LangChain libraries and products, made by the LangChain team
  • Code of Conduct — community guidelines and standards

Project links

Data verified by PyPI on Aug 20, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

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Latest release

1 maintainer

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Avatar for langchain from gravatar.com langchain

GitHub Statistics

Data verified by PyPI on Aug 20, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

MIT License (MIT)

Requires

Python <4.0.0, >=3.10.0

Classifiers

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Release history Release notifications | RSS feed

This release

1.6.1

1.6.0

1.5.6

1.5.5

1.5.4

1.5.3

1.5.2

1.5.1

1.5.0

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1.3.1

1.3.0

1.2.0

1.1.0

1.0.4

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1.0.1

1.0.0

1.0.0a5 pre-release

1.0.0a4 pre-release

1.0.0a3 pre-release

1.0.0a2 pre-release

1.0.0a1 pre-release

0.3.22

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0.3.7

0.3.7rc1 pre-release

0.3.6

0.3.5

0.3.4

0.3.3

0.3.2 yanked

Reason this release was yanked:

Specified undesirable value for tool_choice when setting parallel_tool_calls

0.3.1

0.3.0

0.2.4

0.2.3

0.2.2 yanked

Reason this release was yanked:

Cached input token counting incorrect, fixed in 0.2.3

0.2.1

0.2.0

0.2.0.dev1 pre-release

0.2.0.dev0 pre-release

0.1.23

0.1.22

0.1.21

0.1.20

0.1.19

0.1.18

0.1.17

0.1.16

0.1.15

0.1.14rc2 pre-release

0.1.14rc1 pre-release

0.1.13

0.1.12

0.1.11

0.1.10

0.1.9

0.1.8

0.1.8rc1 pre-release

0.1.7

0.1.6

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0.1.4

0.1.3

0.1.2

0.1.1

0.1.0

0.0.2

0.0.1.post1

0.0.1

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