Integration package connecting Claude (Anthropic) APIs and LangChain
Project Links
Meta
Requires Python: <4.0.0,>=3.10.0
Classifiers
Development Status
- 5 - Production/Stable
Intended Audience
- Developers
License
- OSI Approved :: MIT License
Programming Language
- Python :: 3
- Python :: 3.10
- Python :: 3.11
- Python :: 3.12
- Python :: 3.13
- Python :: 3.14
Topic
- Scientific/Engineering :: Artificial Intelligence
langchain-anthropic
Looking for the JS/TS version? Check out LangChain.js.
Quick Install
pip install langchain-anthropic
๐ค What is this?
This package contains the LangChain integration for Anthropic's generative models.
๐ Documentation
For full documentation, see the API reference. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs.
๐ Releases & Versioning
See our Releases and Versioning policies.
๐ 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.
1.4.0
Mar 17, 2026
1.3.5
Mar 14, 2026
1.3.4
Feb 24, 2026
1.3.3
Feb 10, 2026
1.3.2
Feb 06, 2026
1.3.1
Jan 05, 2026
1.3.0
Dec 12, 2025
1.2.0
Nov 24, 2025
1.1.0
Nov 17, 2025
1.0.4
Nov 14, 2025
1.0.3
Nov 12, 2025
1.0.2
Nov 07, 2025
1.0.1
Oct 30, 2025
1.0.0
Oct 17, 2025
1.0.0a5
Oct 15, 2025
1.0.0a4
Oct 10, 2025
1.0.0a3
Oct 07, 2025
1.0.0a2
Sep 30, 2025
1.0.0a1
Aug 27, 2025
0.3.22
Oct 09, 2025
0.3.21
Sep 29, 2025
0.3.20
Sep 11, 2025
0.3.19
Aug 18, 2025
0.3.18
Jul 28, 2025
0.3.17
Jul 03, 2025
0.3.16
Jun 26, 2025
0.3.15
Jun 03, 2025
0.3.14
May 27, 2025
0.3.13
May 08, 2025
0.3.12
Apr 17, 2025
0.3.11
Apr 15, 2025
0.3.10
Mar 14, 2025
0.3.9
Mar 04, 2025
0.3.8
Feb 24, 2025
0.3.7
Feb 06, 2025
0.3.7rc1
Feb 05, 2025
0.3.6
Feb 05, 2025
0.3.5
Jan 29, 2025
0.3.4
Jan 24, 2025
0.3.3
Jan 17, 2025
0.3.2
Jan 17, 2025
0.3.1
Dec 19, 2024
0.3.0
Nov 12, 2024
0.2.4
Oct 31, 2024
0.2.3
Oct 04, 2024
0.2.2
Oct 04, 2024
0.2.1
Sep 17, 2024
0.2.0
Sep 13, 2024
0.2.0.dev1
Sep 05, 2024
0.2.0.dev0
Sep 05, 2024
0.1.23
Aug 14, 2024
0.1.22
Jul 31, 2024
0.1.21
Jul 26, 2024
0.1.20
Jul 12, 2024
0.1.19
Jul 02, 2024
0.1.18
Jul 02, 2024
0.1.17
Jun 29, 2024
0.1.16
Jun 26, 2024
0.1.15
May 31, 2024
0.1.14rc2
May 24, 2024
0.1.14rc1
May 23, 2024
0.1.13
May 16, 2024
0.1.12
May 15, 2024
0.1.11
Apr 17, 2024
0.1.10
Apr 17, 2024
0.1.9
Apr 16, 2024
0.1.8
Apr 11, 2024
0.1.8rc1
Apr 10, 2024
0.1.7
Apr 09, 2024
0.1.6
Apr 04, 2024
0.1.5
Apr 04, 2024
0.1.4
Mar 08, 2024
0.1.3
Mar 05, 2024
0.1.2
Mar 05, 2024
0.1.1
Mar 04, 2024
0.1.0
Feb 26, 2024
0.0.2
Feb 14, 2024
0.0.1.post1
Jan 12, 2024
0.0.1
Dec 20, 2023
Wheel compatibility matrix
Files in release
Extras:
None
Dependencies:
anthropic
(<1.0.0,>=0.85.0)
langchain-core
(<2.0.0,>=1.2.19)
pydantic
(<3.0.0,>=2.7.4)