Haystack vs Instructor

FeatureHaystackInstructor
CategoryAI DevelopmentAI Development
PricingFree (open-source)Free (open-source)
GitHub Stars18,0009,000
PlatformsLinux, macOS, Windows, DockerLinux, macOS, Windows
Features
  • ✓ Pipeline builder
  • ✓ RAG
  • ✓ Document processing
  • ✓ Model serving
  • ✓ REST API
  • ✓ Structured output
  • ✓ Pydantic models
  • ✓ Retry logic
  • ✓ Streaming
  • ✓ Multi-provider
Tags
ragnlppipelineopen-source
structured-outputpydanticpythonopen-source