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langchain
#1 of 50 in the AI Agent Index ↓ Download poster
93 Score
Observed adoptionCurrent · 2026-10-27 96
MomentumCurrent · 2026-10-27 83
AttentionCurrent · 2026-10-27 98
Signal confidence Based on how many independent score dimensions currently have data.
High3/3 · 2 source types
About
Looking for the JS/TS version? Check out LangChain.js.
To help you ship LangChain apps to production faster, check out LangSmith. LangSmith is a unified developer platform for building, testing, and monitoring LLM applications.
LangChain is the easiest way to start building agents and applications powered by LLMs. With under 10 lines of code, you can connect to OpenAI, Anthropic, Google, and more. LangChain provides a pre-built agent architecture and model integrations to help you get started quickly and seamlessly incorporate LLMs into your agents and applications.
We recommend you use LangChain if you want to quickly build agents and autonomous applications. Use LangGraph, our…
Across sources
170.5M Downloads / month
- Downloads / month 170.5M
- Downloads / week 37.5M
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144.8M Downloads / month
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36.8M Downloads / month
- Downloads / month 36.8M
- Downloads / week 10.5M
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17.9M Downloads / month
- Downloads / month 17.9M
- Downloads / week 5.5M
- Downloads / day 857.3k
148.5k Stars
- Stars 148.5k
- Forks 24.9k
- Commits 17.1k
- Releases 1.0k