Open WebUIvsLangflow

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

Langflow

Automation Platforms

Visual framework for building multi-agent AI apps

FeatureOpen WebUILangflow
CategoryChat InterfacesAutomation Platforms
PricingFree (open-source)Free (open-source) + Cloud
GitHub Stars
More stars
65k
35k
PlatformsmacOS, Linux, Windows, DockerLinux, macOS, Windows, Docker, Web
Key Features
  • Ollama integration
  • Multi-model
  • RAG
  • Web search
  • Voice input/output
  • Plugins
  • User management
  • Visual builder
  • Drag-and-drop
  • Component library
  • API export
  • Multi-model
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + Intuitive visual builder
  • + LangChain ecosystem integration
  • + Easy prototyping
  • + Export as Python code
  • + Growing component library
Cons
  • Requires Docker for easy setup
  • Can be slow with large documents
  • Plugin ecosystem still growing
  • Resource intensive
  • Tied to LangChain ecosystem
  • Limited for very custom logic
  • Can be slow for complex flows
  • Still maturing
Tags
open-sourcechatuiollamaself-hosted
no-codevisuallangchainopen-source

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