What is LangChain?
Frameworks
LangChain — A framework for building applications with LLMs. Provides abstractions for chains, agents, retrieval, memory, and tool use. Popular for RAG and agent development.
FAQ
What is LangChain?
A Python/JS framework for building LLM applications. It provides components for RAG, agents, chains, and tool integration.
LangChain vs LlamaIndex?
LangChain is more general (agents, chains, tools). LlamaIndex is specialized for RAG and data indexing. Many projects use both.
Related Terms
Learn LangChain in depth
Free hands-on course with code examples and Google Colab notebooks.
Start Course →