The Open WebUI license, explained: the 50-user branding clause

The short answer

Open WebUI uses its own "Open WebUI License": the standard three BSD clauses plus a fourth that forbids altering, removing, obscuring or replacing "Open WebUI" branding in any deployment. There are…

Using it with the branding intact: clause 4 doesn't restrict that (our reading; the rest of the licence still applies)

Rebranding for ≤50 users per rolling 30 days: allowed

Rebranding for more: needs written permission or an enterprise licence

Commercial deployment? Check with counsel. This is the text, not legal advice.

The text, not legal advice

This article quotes and summarises Open WebUI's LICENSE file as it stood on 25 Sep 2026 (commit 26a645f9e649). It isn't legal advice. Commercial deployments, especially anything involving rebranding…