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Open WebUI: Self-Hosted ChatGPT-Class UI

Self-hosted chat UI for Ollama and OpenAI-compatible APIs, with a branding-restricted license.

Open WebUI official Open Graph card used to identify the self-hosted chat UI
Official project image. Source · License: Open WebUI product image.
License
other
Stars
156,173 (2026-10-19)
Platforms
Docker, Linux, macOS, Windows
First seen
2023-10-06

TL;DR. Open WebUI is Self-hosted chat UI for Ollama and OpenAI-compatible APIs, with a branding-restricted license. License: other (verified). Platforms: Docker, Linux, macOS, Windows. Price: free. Runs locally: yes. It is an alternative to ChatGPT.

NameOpen WebUI
LanguagePython
Licenseother
Pricingfree
PlatformsDocker, Linux, macOS, Windows
Runs locallyYes
Stats156,173 stars · 22,726 forks (as of 2026-10-19)
First seen2023-10-06
Repositoryhttps://github.com/open-webui/open-webui

Open WebUI is a self-hosted chat interface. Official hosts we opened on 2026-10-19: open-webui/open-webui, openwebui.com, docs. 156,173 stars, 22,726 forks, last push 2026-10-19, latest release v0.12.3 (2026-10-16). GitHub license API says NOASSERTION; the file is the Open WebUI License (BSD-like + branding limit).

It hangs off ChatGPT alternatives. Compare Open WebUI vs ChatGPT. Other UIs: LibreChat, Jan. Serving engines you can attach: vLLM, DeepInfer (DeepInfer vs vLLM).

Comparisons

FAQ

Is Open WebUI an open-source ChatGPT alternative?

It is a self-hosted chat UI (156,173 stars, v0.12.3, 2026-10-19) that talks to Ollama or OpenAI-compatible APIs. The LICENSE is not a plain MIT/Apache file — read the branding clause. See Open WebUI vs ChatGPT. No quality ranking against ChatGPT.

Can I white-label it?

The LICENSE (2026-10-19) forbids altering Open WebUI branding except for ≤50 end users in 30 days, written permission, or an enterprise license. Not legal advice.

Does it include a model?

No. You attach weights or an API. Open weights on this site live on ChatGPT alternatives.

Sources & verification

Last verified 2026-10-19 · Last updated 2026-10-19· Edited by forkalt editors · Editorial policy

License notes are not legal advice. Read the original LICENSE. Trademark & disclaimer.