LangChain

LLM Frameworks

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

GitHub →Website →

8.9

GitHub Metrics

Stars

138.4k

Forks

22.9k

Open Issues

606

Watchers

884

Contributors

3.7k

Weekly Commits

Language

Python

License

MIT

Last Commit

Jun 3, 2026

Created

Oct 17, 2022

Latest Release

langchain-core==1.4.0

Release Date

May 11, 2026

Synced: Jun 3, 2026

Quality Scores

Documentation Qualityw: 20%

8.2

Has docs site (https://langchain.com). Description: 66 chars. Stars signal: 138,391. Contributors: 3686. Score: 8.2/10

Community Healthw: 20%

9.8

Stars: 138,391. Contributors: 3686. Watchers: 884. Forks: 22,930. Issue ratio: 0.4%. Score: 9.8/10

Maintenance Velocityw: 15%

9.5

Last commit: 0d ago. Weekly commits: 11. Latest release: langchain-core==1.4.0. Maturity bonus: 3.6y old. Score: 9.5/10

API Design & DXw: 20%

8.4

Stars/issues ratio: 228. Dynamic language: Python. Has documentation site. Permissive license: MIT. Popularity signal: 138,391 stars. Score: 8.4/10

Production Readinessw: 15%

8.6

Battle-tested: 138,391 stars. Peer review: 3686 contributors. Versioned: langchain-core==1.4.0. Licensed: MIT. Age: 3.6 years. Maintenance: last commit 0d ago. Score: 8.6/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 22,930. Major ecosystem: Python. Integration-friendly: MIT. Adoption: 138,391 stars. Has web presence. Score: 8.9/10