head to head · open source
Open WebUI vs quivr
Open WebUI has 157,575 GitHub stars, 22,923 forks, 294 open issues and last shipped yesterday. quivr has 39,624 stars, 3,731 forks, 9 open issues and last shipped yesterday. Open WebUI leads on adoption by 298% (157,575 vs 39,624 stars). Open WebUI is written in Python under a custom or non-standard licence; quivr is written in Go under MIT. Open WebUI has attracted 15% as many forks as stars, quivr 9%. quivr was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Open WebUI | quivr | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 40K |
| License | Custom / other | MIT |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 23K | ⑂ 3.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 158K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick quivr if
- You want the quivr feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and quivr fits your workflow better
About Open WebUI
Open WebUI 👋 Open WebUI is a home for AI , a self hosted AI platform that's extensible , feature rich , user friendly, and built to run entirely offline . With support for Ollama and OpenAI compatible APIs , it gives you a powerful, provider agnostic interface for both local and cloud based models. Passionate about open source AI? Join our team → [!TIP] Looking for an Enterprise Plan? – Speak with Our Sales Team Today! For more information, be sure to check out our Open WebUI Documentation. Key Features of Open WebUI ⭐ 🚀 Effortless Setup : Install seamlessly via pip, uv, Docker, or Kubernetes (kubectl…
read the full Open WebUI overview →
About quivr
Quivr V2 An open source engine that turns continuous content streams into search and monitoring. Quivr V2 ingests content durably, makes it searchable within seconds, enriches it in the background and lets you follow a topic over time. The core stays generic: formats, AI models and business rules belong in plugins, so you can adapt Quivr to your domain without forking the platform. Status: evaluation stage. The API is v0 and may change without notice. Do not run it in production yet. Why Quivr V2 Durable before fast. A write is acknowledged only once it is committed; outages delay processing, they never lose or…
read the full quivr overview →
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Frequently asked questions
Is Open WebUI or quivr more popular?
Open WebUI has 157,575 GitHub stars and quivr has 39,624. Open WebUI has the larger community by that measure.
Are Open WebUI and quivr free?
Both are open source. Open WebUI has no licence declared in this registry, and quivr is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and quivr?
Open WebUI is written in Python and quivr in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Open WebUI or quivr?
Choose Open WebUI if you want the larger community (157,575 stars) or its Custom / other licence terms. Choose quivr if its feature set, stack or MIT licence fits better. Both are self-hostable.