LangChain

LLM Frameworks

LangChain — a leading open-source project in the AI/LLM ecosystem.

GitHub →Website →

8.8

GitHub Metrics

Stars

145.4k

Forks

24.3k

Open Issues

445

Watchers

915

Contributors

3.7k

Weekly Commits

Language

Python

License

MIT

Last Commit

Sep 1, 2026

Created

Oct 17, 2022

Latest Release

langchain-core==1.6.1

Release Date

Aug 27, 2026

Synced: Sep 1, 2026

Quality Scores

Documentation Qualityw: 20%

8.2

Has docs site (https://langchain.com). Description: 66 chars. Stars signal: 145,437. Contributors: 3731. Score: 8.2/10

Community Healthw: 20%

9.8

Stars: 145,437. Contributors: 3731. Watchers: 915. Forks: 24,265. Issue ratio: 0.3%. Score: 9.8/10

Maintenance Velocityw: 15%

8.8

Last commit: 0d ago. Weekly commits: 4. Latest release: langchain-core==1.6.1. Maturity bonus: 3.9y old. Score: 8.8/10

API Design & DXw: 20%

8.4

Stars/issues ratio: 327. Dynamic language: Python. Has documentation site. Permissive license: MIT. Popularity signal: 145,437 stars. Score: 8.4/10

Production Readinessw: 15%

8.6

Battle-tested: 145,437 stars. Peer review: 3731 contributors. Versioned: langchain-core==1.6.1. Licensed: MIT. Age: 3.9 years. Maintenance: last commit 0d ago. Score: 8.6/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 24,265. Major ecosystem: Python. Integration-friendly: MIT. Adoption: 145,437 stars. Has web presence. Score: 8.9/10