LangChain

LLM Frameworks

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

GitHub →Website →

8.6

GitHub Metrics

Stars

140.4k

Forks

23.3k

Open Issues

413

Watchers

891

Contributors

3.7k

Weekly Commits

Language

Python

License

MIT

Last Commit

Jun 26, 2026

Created

Oct 17, 2022

Latest Release

langchain-core==1.4.8

Release Date

Jun 18, 2026

Synced: Jun 28, 2026

Quality Scores

Documentation Qualityw: 20%

8.2

Has docs site (https://langchain.com). Description: 66 chars. Stars signal: 140,388. Contributors: 3691. Score: 8.2/10

Community Healthw: 20%

9.8

Stars: 140,388. Contributors: 3691. Watchers: 891. Forks: 23,303. Issue ratio: 0.3%. Score: 9.8/10

Maintenance Velocityw: 15%

7.7

Last commit: 2d ago. Weekly commits: 0. Latest release: langchain-core==1.4.8. Maturity bonus: 3.7y old. Score: 7.7/10

API Design & DXw: 20%

8.4

Stars/issues ratio: 340. Dynamic language: Python. Has documentation site. Permissive license: MIT. Popularity signal: 140,388 stars. Score: 8.4/10

Production Readinessw: 15%

8.6

Battle-tested: 140,388 stars. Peer review: 3691 contributors. Versioned: langchain-core==1.4.8. Licensed: MIT. Age: 3.7 years. Maintenance: last commit 2d ago. Score: 8.6/10

Ecosystem Integrationw: 10%

8.9

Fork interest: 23,303. Major ecosystem: Python. Integration-friendly: MIT. Adoption: 140,388 stars. Has web presence. Score: 8.9/10