Open WebUI Free

Open WebUI: A Self-Hosted ChatGPT-Style Interface for Any Model

What is Open WebUI?

Open WebUI (formerly Ollama WebUI) is an extensible, self-hosted AI platform designed to operate entirely offline. It provides a polished chat experience with multiple model support, document upload, RAG, web search, user management, and role-based access. It plugs into Ollama and OpenAI-compatible APIs, making it the go-to front end for private LLM deployments.

Product Features

  • Chat with local Ollama models or OpenAI-compatible APIs
  • Built-in RAG with document upload and web search
  • Multi-user support with roles and permissions
  • Model presets, prompt templates, and custom parameters
  • Voice input and text-to-speech capabilities
  • Extensible plugin and pipeline system

Product Highlights

  • Complete data privacy with fully offline operation
  • Beautiful, modern ChatGPT-like user experience
  • Active open-source community and frequent updates

Use Cases

  • Deploying a private ChatGPT for your whole team
  • Chatting with local documents using built-in RAG
  • Comparing multiple models side by side in one UI
  • Building an internal AI assistant with access control
  • Running an offline chatbot on a personal server