LangChain vs LlamaIndex
Side-by-side comparison to help you choose the best tool.
LangChain
freeSystem for building LLM-powered applications with chains and agents.
Best for: AI application developers
Visit LangChain
LlamaIndex
freeData system for building LLM applications with your own data sources.
Best for: developers building RAG apps
Visit LlamaIndex
Feature Comparison
| Feature | LangChain | LlamaIndex |
|---|---|---|
| Pricing | free | free |
| Category | Code Tools | Code Tools |
| Rating | 4.4 | 4.3 |
| Best For | AI application developers | developers building RAG apps |
| Views | 4 | 4 |
Pros & Cons — LangChain
Pros
No pros listed.
Cons
No cons listed.
Pros & Cons — LlamaIndex
Pros
No pros listed.
Cons
No cons listed.
Key Features — LangChain
No features listed.
Key Features — LlamaIndex
No features listed.