Haystack vs LangChain

FeatureHaystackLangChain
CategoryAI DevelopmentAI Agent Frameworks
PricingFree (open-source)Free + LangSmith paid
GitHub Stars18,00098,000
PlatformsLinux, macOS, Windows, DockermacOS, Linux, Windows
Features
  • ✓ Pipeline builder
  • ✓ RAG
  • ✓ Document processing
  • ✓ Model serving
  • ✓ REST API
  • ✓ Chain composition
  • ✓ RAG pipelines
  • ✓ Agent toolkits
  • ✓ Memory systems
  • ✓ Streaming
  • ✓ Multi-model
  • ✓ LangGraph
Tags
ragnlppipelineopen-source
open-sourceframeworkpythonjavascriptragchains