LlamaIndex vs LangChain

FeatureLlamaIndexLangChain
CategoryAI DevelopmentAI Agent Frameworks
PricingFree (open-source) + CloudFree + LangSmith paid
GitHub Stars38,00098,000
PlatformsLinux, macOS, WindowsmacOS, Linux, Windows
Features
  • ✓ RAG pipelines
  • ✓ Data connectors
  • ✓ Indexing
  • ✓ Query engine
  • ✓ Agent tools
  • ✓ Chain composition
  • ✓ RAG pipelines
  • ✓ Agent toolkits
  • ✓ Memory systems
  • ✓ Streaming
  • ✓ Multi-model
  • ✓ LangGraph
Tags
ragdataindexingopen-source
open-sourceframeworkpythonjavascriptragchains