AI

Open WebUI

A private, web-based chat interface for your AI models

Free alternative to ChatGPT

Some setupFree · self-hostWindows · macOS · Linux · Web★ 158,590 AI chatFree local AISelf-hosted
Open WebUI

Screenshot from the project’s own README · tap to enlarge

Open WebUI is a self-hosted web interface for chatting with AI. It connects to local models via Ollama or cloud models using OpenAI-compatible APIs, and it can run completely offline.

✓ Good for

Anyone wanting a ChatGPT-like interface for local or custom AI models

✕ Skip it if

Users who only use standard ChatGPT and dislike running local software

How to start

  1. Download the desktop app or run via Docker
  2. Connect Ollama for offline models or enter API keys
  3. Open the web interface in your browser to chat

Running models offline requires a separate tool like Ollama or Docker setup.

FAQ

Is Open WebUI free?

Yes, Open WebUI is free to self-host and use, though connecting to paid cloud AI providers will require your own API keys.

Is Open WebUI safe to download?

It is open source (NOASSERTION license) with 158,590 GitHub stars, last updated 2026-11-13. Download only from the official link on this page, and scan the file before installing: see the safety checklist in our beginner guide.

Can Open WebUI work completely offline?

Yes, it can run entirely offline when connected to local AI model runners like Ollama.

Compiled from the project README. 158,590 GitHub stars (2026-11-13) · License NOASSERTION · Last update 2026-11-13