langchain is an open-source AI agent tool from langchain-ai, licensed under MIT. It has 148k GitHub stars and 25k forks, and was last updated in October 2026. Docs and downloads are linked from docs.langchain.com.
“The agent engineering platform.”
— langchain-ai, project description on GitHub
Details
| Category | AI Agents |
|---|---|
| GitHub stars | 148,042 |
| Forks | 24,850 |
| Language | Python |
| License | MIT |
| Last updated | |
| Owner | langchain-ai |
| Website | docs.langchain.com/langchain |
| Repository | langchain-ai/langchain |
| Also listed in | RAG & Search, Chat UIs |
Tags
agentsaiai-agentsanthropicchatgptdeepagentsenterpriseframework
Repository facts from the GitHub public API, refreshed October 18, 2026. The quoted tagline is written by the project owner; the summary above is generated from public facts.