What is LangChain?
LangChain provides the building blocks for developers to chain different AI models and data sources together into complex workflows.
Key facts
- Pricing
- Free / Open Source
- Free plan
- Yes
- Category
- Coding
- Website
- https://langchain.com/
- Listing updated
- Nov 12, 2026
LangChain FAQ
What is LangChain?
LangChain provides the building blocks for developers to chain different AI models and data sources together into complex workflows.
Is LangChain free?
Yes. LangChain lists a free plan. Pricing: Free / Open Source.
What are alternatives to LangChain?
Coding alternatives to LangChain include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.