Hollama vs Open WebUI

A side-by-side comparison of two self-hosted ai chat uis options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureHollamaOpen WebUI
Deploy effortUnder-an-hour setup≈5-minute setup
Health score44 · Fair100 · Excellent
CategoryAI Chat UIsAI Chat UIs
LicenseMITBSD-3-Clause
LanguageTypeScriptPython
Setup difficultyEasyEasy
Min. RAM256 MB2,048 MB
Deploymentdocker, bare-metaldocker, kubernetes, helm
GitHub stars★ 1,186★ 152,950
First released20242023
ReplacesChatGPTChatGPT, Poe

What are Hollama and Open WebUI?

Hollama

Hollama is a minimal, fast web interface for chatting with Ollama and OpenAI-compatible models. It stores everything in the browser and requires no server-side database.

  • Minimal interface
  • Browser-side storage
  • No database required
  • Ollama and OpenAI support

Open WebUI

Open WebUI is an extensible, offline-capable web interface for interacting with local and remote LLMs. It supports Ollama and any OpenAI-compatible API, with chat history, RAG document uploads, multi-user accounts, and a plugin pipeline system.

  • Polished ChatGPT-style UI
  • Built-in RAG and web search
  • Multi-user with roles
  • Model and prompt management

Read the full Open WebUI guide →

Hollama vs Open WebUI: key differences

Hollama is written in TypeScript, while Open WebUI is built with Python. Licensing differs — MIT for Hollama versus BSD-3-Clause for Open WebUI. Hollama is the lighter option, starting around 256 MB of RAM against 2,048 MB for Open WebUI. Open WebUI has the considerably larger community, at 152,950 GitHub stars versus 1,186.

Why pick each one

Choose Hollama if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (1.2k GitHub stars)
Hollama details

Choose Open WebUI if…

  • Very active development
  • Works with many backends

Watch out for

  • Feature set can feel overwhelming
Open WebUI details

Frequently asked questions

Is Hollama or Open WebUI better?

Neither is universally better. Open WebUI has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are Hollama and Open WebUI free and open-source?

Yes. Hollama is licensed under MIT and Open WebUI under BSD-3-Clause. Both can be self-hosted at no software cost.

Can I run Hollama and Open WebUI with Docker?

Hollama: yes. Open WebUI: yes.

Which is lighter on resources, Hollama or Open WebUI?

Hollama has the smaller minimum footprint at 256 MB of RAM, compared to about 2,048 MB for Open WebUI. Real-world usage depends on library size, user count, and enabled features.

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