Instructor vs Open WebUI

FeatureInstructorOpen WebUI
CategoryAI DevelopmentChat Interfaces
PricingFree (open-source)Free (open-source)
GitHub Stars9,00065,000
PlatformsLinux, macOS, WindowsmacOS, Linux, Windows, Docker
Features
  • ✓ Structured output
  • ✓ Pydantic models
  • ✓ Retry logic
  • ✓ Streaming
  • ✓ Multi-provider
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
Tags
structured-outputpydanticpythonopen-source
open-sourcechatuiollamaself-hosted