FlowisevsOpen WebUI

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

Flowise

Automation Platforms

Drag-and-drop LLM flow builder

Open WebUI

Chat Interfaces

Beautiful self-hosted ChatGPT-like interface for any LLM

FeatureFlowiseOpen WebUI
CategoryAutomation PlatformsChat Interfaces
PricingFree (open-source) + CloudFree (open-source)
GitHub Stars
35k
More stars
65k
PlatformsmacOS, Linux, Windows, DockermacOS, Linux, Windows, Docker
Key Features
  • Visual flow builder
  • LangChain integration
  • Chatbot builder
  • Agent flows
  • API endpoints
  • Custom tools
  • Ollama integration
  • Multi-model
  • RAG
  • Web search
  • Voice input/output
  • Plugins
  • User management
Pros
  • + No-code visual builder
  • + LangChain/LlamaIndex integration
  • + Easy deployment
  • + Good for prototyping
  • + Active community
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
Cons
  • Limited for complex custom logic
  • Can be buggy with some nodes
  • Documentation gaps
  • Less flexible than code
  • Requires Docker for easy setup
  • Can be slow with large documents
  • Plugin ecosystem still growing
  • Resource intensive
Tags
open-sourceno-codelangchainchatbotvisual
open-sourcechatuiollamaself-hosted

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