LangChain

LLM Frameworks

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

GitHub →Website →

9.0

GitHub Metrics

Stars

148.0k

Forks

24.8k

Open Issues

657

Watchers

924

Contributors

3.7k

Weekly Commits

Language

Python

License

MIT

Last Commit

Oct 17, 2026

Created

Oct 17, 2022

Latest Release

langchain-core==1.6.12

Release Date

Oct 16, 2026

Synced: Oct 17, 2026

Quality Scores

Documentation Qualityw: 20%

8.2

Has docs site (https://langchain.com). Description: 66 chars. Stars signal: 147,981. Contributors: 3745. Score: 8.2/10

Community Healthw: 20%

9.8

Stars: 147,981. Contributors: 3745. Watchers: 924. Forks: 24,836. Issue ratio: 0.4%. Score: 9.8/10

Maintenance Velocityw: 15%

9.8

Last commit: 0d ago. Weekly commits: 29. Latest release: langchain-core==1.6.12. Maturity bonus: 4.0y old. Score: 9.8/10

API Design & DXw: 20%

8.4

Stars/issues ratio: 225. Dynamic language: Python. Has documentation site. Permissive license: MIT. Popularity signal: 147,981 stars. Score: 8.4/10

Production Readinessw: 15%

8.8

Battle-tested: 147,981 stars. Peer review: 3745 contributors. Versioned: langchain-core==1.6.12. Licensed: MIT. Age: 4.0 years. Maintenance: last commit 0d ago. Score: 8.8/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 24,836. Major ecosystem: Python. Integration-friendly: MIT. Adoption: 147,981 stars. Has web presence. Score: 8.9/10