LangChain

LLM Frameworks

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

GitHub →Website →

8.9

GitHub Metrics

Stars

142.0k

Forks

23.6k

Open Issues

436

Watchers

899

Contributors

3.7k

Weekly Commits

Language

Python

License

MIT

Last Commit

Jul 18, 2026

Created

Oct 17, 2022

Latest Release

langchain-core==1.4.9

Release Date

Jul 8, 2026

Synced: Jul 18, 2026

Quality Scores

Documentation Qualityw: 20%

8.2

Has docs site (https://langchain.com). Description: 66 chars. Stars signal: 142,030. Contributors: 3698. Score: 8.2/10

Community Healthw: 20%

9.8

Stars: 142,030. Contributors: 3698. Watchers: 899. Forks: 23,615. Issue ratio: 0.3%. Score: 9.8/10

Maintenance Velocityw: 15%

9.8

Last commit: 0d ago. Weekly commits: 34. Latest release: langchain-core==1.4.9. Maturity bonus: 3.8y old. Score: 9.8/10

API Design & DXw: 20%

8.4

Stars/issues ratio: 326. Dynamic language: Python. Has documentation site. Permissive license: MIT. Popularity signal: 142,030 stars. Score: 8.4/10

Production Readinessw: 15%

8.6

Battle-tested: 142,030 stars. Peer review: 3698 contributors. Versioned: langchain-core==1.4.9. Licensed: MIT. Age: 3.8 years. Maintenance: last commit 0d ago. Score: 8.6/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 23,615. Major ecosystem: Python. Integration-friendly: MIT. Adoption: 142,030 stars. Has web presence. Score: 8.9/10