Open WebUIvsCrewAI

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 ↗

CrewAI

AI Agent Frameworks

Framework for orchestrating role-based AI agent teams

Full review →Website ↗
FeatureOpen WebUICrewAI
CategoryChat InterfacesAI Agent Frameworks
PricingFree (open-source)Free + Enterprise
GitHub Stars
✓ More stars
65k
25k
PlatformsmacOS, Linux, Windows, DockermacOS, Linux, Windows
Key Features
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
  • ✓ Multi-agent collaboration
  • ✓ Role-based agents
  • ✓ Task delegation
  • ✓ Tool integration
  • ✓ Memory
  • ✓ Process types
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + Intuitive role-based agent design
  • + Built-in collaboration patterns
  • + Good documentation and examples
  • + Active development
  • + Simple Python API
Cons
  • − Requires Docker for easy setup
  • − Can be slow with large documents
  • − Plugin ecosystem still growing
  • − Resource intensive
  • − Less flexible than raw LangChain
  • − Relatively young framework
  • − Limited built-in tools
  • − Can be expensive with many agents
Tags
open-sourcechatuiollamaself-hosted
open-sourcemulti-agentorchestrationpythonteams

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