Chainlit vs LangChain

FeatureChainlitLangChain
CategoryChat InterfacesAI Agent Frameworks
PricingFree (open-source)Free + LangSmith paid
GitHub Stars8,00098,000
PlatformsLinux, macOS, WindowsmacOS, Linux, Windows
Features
  • ✓ Chat UI
  • ✓ File upload
  • ✓ Streaming
  • ✓ Authentication
  • ✓ Multi-step display
  • ✓ Chain composition
  • ✓ RAG pipelines
  • ✓ Agent toolkits
  • ✓ Memory systems
  • ✓ Streaming
  • ✓ Multi-model
  • ✓ LangGraph
Tags
chatuipythonopen-source
open-sourceframeworkpythonjavascriptragchains