Haystack vs Open WebUI

FeatureHaystackOpen WebUI
CategoryAI DevelopmentChat Interfaces
PricingFree (open-source)Free (open-source)
GitHub Stars18,00065,000
PlatformsLinux, macOS, Windows, DockermacOS, Linux, Windows, Docker
Features
  • ✓ Pipeline builder
  • ✓ RAG
  • ✓ Document processing
  • ✓ Model serving
  • ✓ REST API
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
Tags
ragnlppipelineopen-source
open-sourcechatuiollamaself-hosted