Open WebUI's licence adds one clause to BSD: don't remove its branding above 50 end users per rolling 30 days without permission or an enterprise licence. Here's the text word for word, and what it does and doesn't restrict.
"Open WebUI license change" and "Open WebUI enterprise license cost" are both climbing search queries, usually from someone who's been asked "can we put our logo on this?" The answer is in one paragraph of the licence file, so here it is word for word, followed by what it does and doesn't say. I'm not a lawyer, and nothing here replaces one for a commercial decision. It's a close reading of the text.
One clause, one number: 50 users in any rolling 30 days. · Illustration generated with Higgsfield
The clause, word for word
4. Notwithstanding any other provision of this License, and as a material condition of the rights granted herein, licensees are strictly prohibited from altering, removing, obscuring, or replacing any "Open WebUI" branding, including but not limited to the name, logo, or any visual, textual, or symbolic identifiers that distinguish the software and its interfaces, in any deployment or distribution, except in the following circumstances: (i) deployments or distributions where the total number of end users (defined as individual natural persons with direct access to the application) does not exceed fifty (50) within any rolling thirty (30) day period; (ii) the licensee has obtained specific prior written permission from the copyright holder; or (iii) where the licensee has obtained a duly executed enterprise license expressly permitting such modification. For all other cases, any removal or alteration of the "Open WebUI" branding shall constitute a material breach of license.
Open WebUI License, clause 4 — LICENSE at commit 26a645f9e649 (14 Apr 2026), read 25 Sep 2026
Source: the LICENSE file in Open WebUI's repository. Clauses 1–3 are the familiar BSD terms: keep the copyright notice in source and binary redistributions, and don't use the copyright holder's name to endorse derived products. The file also says contributors agree to the project's Contributor License Agreement.
What it means in practice
Reading clause 4 against common situations
You run Open WebUI with its branding unchanged, any number of users
Branding change allowed under clause 4?
On our plain reading, clause 4 restricts only altering/removing branding, so it doesn't reach this. The rest of the licence and your counsel still apply.
You rebrand it for yourself or a team of ≤50 end users in any rolling 30 days
Branding change allowed under clause 4?
Yes, exception (i)
You rebrand it for 51+ end users in a rolling 30 days
Branding change allowed under clause 4?
Only with written permission (ii) or an enterprise licence (iii)
You remove the name/logo from a hosted product for customers
Branding change allowed under clause 4?
Counts toward end users; above 50 needs (ii) or (iii)
Branding change allowed under clause 4?
You run Open WebUI with its branding unchanged, any number of users
On our plain reading, clause 4 restricts only altering/removing branding, so it doesn't reach this. The rest of the licence and your counsel still apply.
You rebrand it for yourself or a team of ≤50 end users in any rolling 30 days
Yes, exception (i)
You rebrand it for 51+ end users in a rolling 30 days
Only with written permission (ii) or an enterprise licence (iii)
You remove the name/logo from a hosted product for customers
Counts toward end users; above 50 needs (ii) or (iii)
"End users" is defined: "individual natural persons with direct access to the application." It counts people, not seats or API keys.
The window rolls: "within any rolling thirty (30) day period", so it's not a calendar month.
Branding is broad: "the name, logo, or any visual, textual, or symbolic identifiers that distinguish the software and its interfaces."
The consequence is stated: outside the exceptions, altering the branding "shall constitute a material breach of license."
When the licence changed
Open WebUI's LICENSE_HISTORY file says "All code and materials created before commit 60d84a3aae9802339705826e9095e272e3c83623" are under the earlier BSD-3 licence (copyright Timothy Jaeryang Baek). That commit is dated 18 Apr 2025, with the message "chore: license \"branding\" clause". The LICENSE text was last reworded in commit 26a645f9e649 on 14 Apr 2026. Current releases (v0.11.4 on 21 Sep 2026) ship under the version quoted above.
If the clause is a problem for you
Keep the branding. The simplest route: clause 4 doesn't restrict it (on our plain reading of its text; the rest of the licence and your counsel still apply).
Ask: exception (ii) is written permission from the copyright holder, and (iii) is an enterprise licence. Open WebUI's site and docs are where to start. I haven't found a published enterprise price, so I won't quote one.
Use an MIT-licensed alternative: LibreChat and AnythingLLM are both MIT (read from their LICENSE files). They're compared in Open WebUI vs LibreChat vs AnythingLLM.
Quick answers
Did Open WebUI change its license?
Yes. Commit 60d84a3 (18 Apr 2025) added a "branding" clause. Code from before that commit remains under the earlier BSD-3 licence, per the project's LICENSE_HISTORY file. The current LICENSE was last reworded on 14 Apr 2026 (commit 26a645f9e649).
Can I remove the Open WebUI logo?
Per clause 4 of its LICENSE, only if your deployment has no more than 50 end users ("individual natural persons with direct access") within any rolling 30 days, you have prior written permission, or you have an enterprise licence. This is the text, not legal advice.
Can I use Open WebUI commercially?
The licence is BSD-style, and on our plain reading clause 4 restricts altering or removing the branding rather than use itself. The other clauses still apply. For commercial deployments, especially with rebranding or over 50 users, check with counsel or contact Open WebUI. This summary isn't legal advice.
How much does an Open WebUI enterprise license cost?
I couldn't find a published price as of 25 Sep 2026, so I won't guess. The licence names an enterprise licence as one of the three exceptions. Contact Open WebUI directly.
Is Open WebUI still open source?
Its source is public and BSD-based, but the added branding clause means it isn't under a standard OSI-style licence. LibreChat and AnythingLLM are MIT-licensed alternatives.
