Open WebUIvsMicrosoft AutoGen

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

Open WebUI

Chat Interfaces

Beautiful self-hosted ChatGPT-like interface for any LLM

Full review →Website ↗

Microsoft AutoGen

AI Agent Frameworks

Featured

Framework for building multi-agent conversational AI

Full review →Website ↗
FeatureOpen WebUIMicrosoft AutoGen
CategoryChat InterfacesAI Agent Frameworks
PricingFree (open-source)Free (open-source)
GitHub Stars
✓ More stars
65k
35k
PlatformsmacOS, Linux, Windows, DockerLinux, macOS, Windows
Key Features
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
  • ✓ Multi-agent conversations
  • ✓ Code execution
  • ✓ Human-in-the-loop
  • ✓ Customizable
  • ✓ Group chat
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + Strong multi-agent conversation support
  • + Code execution built-in
  • + Human-in-the-loop capability
  • + Microsoft backing
  • + Research-grade quality
Cons
  • − Requires Docker for easy setup
  • − Can be slow with large documents
  • − Plugin ecosystem still growing
  • − Resource intensive
  • − Complex API for beginners
  • − Heavy dependency tree
  • − Documentation could be better
  • − Resource intensive
Tags
open-sourcechatuiollamaself-hosted
multi-agentmicrosoftconversationsopen-source

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