LangChain vs LlamaIndex

Side-by-side comparison to help you choose the best tool.

LangChain

free
Code Tools
4.4 / 5.0

System for building LLM-powered applications with chains and agents.

Best for: AI application developers
Visit LangChain

LlamaIndex

free
Code Tools
4.3 / 5.0

Data 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.

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