Popularity
★ 150k
Last update
August 2026
License / pricing
BSD-3-Clause
Category
Local AI
What it does
A beautiful self-hosted chat with document Q&A, web search and multi-user support, connected to Ollama or any API.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals
Before you start
- Setup difficultyEasy to start
- Command lineRequired
- API keyNot required
- Sends data onlineNo
Judged automatically from the project's own metadata. Always confirm on the official page.
Open WebUI FAQ
- Do I need to install anything or write code to use Open WebUI?
- No install needed — it runs in the browser.
- Does Open WebUI work on a phone?
- No. It needs a computer.
- Can I use Open WebUI commercially?
- The licence is BSD-3-Clause, which permits commercial use. Conditions such as keeping the copyright notice still apply, so read the licence text before shipping it inside something.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| Open WebUI (this page) | Required | Not needed | No | No | Yes |
| Ollama | Required | Not needed | No | No | Yes |
| llama.cpp | Required | Not needed | No | No | Yes |
| vLLM | Required | Not needed | No | No | Yes |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.