head to head · open source
Open WebUI vs GPT4All
Open WebUI has 157,575 GitHub stars, 22,923 forks, 294 open issues and last shipped yesterday. GPT4All has 77,347 stars, 8,261 forks, 771 open issues and last shipped 1.4 years ago. Open WebUI leads on adoption by 104% (157,575 vs 77,347 stars). Open WebUI is written in Python under a custom or non-standard licence; GPT4All is written in C++ under MIT. Open WebUI has attracted 15% as many forks as stars, GPT4All 11%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | GPT4All | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 77K |
| License | Custom / other | MIT |
| Written in | Python | C++ |
| Last push | 2026-11-02 | 2025-05-27 |
| Forks | ⑂ 23K | ⑂ 8.3K |
| 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 GPT4All if
- You want the GPT4All feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and GPT4All 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 GPT4All
GPT4All Now with support for DeepSeek R1 Distillations Website • Documentation • Discord • YouTube Tutorial GPT4All runs large language models (LLMs) privately on everyday desktops & laptops. No API calls or GPUs required you can just download the application and get started . Read about what's new in our blog . Subscribe to the newsletter GPT4All is made possible by our compute partner Paperspace . Download Links — Windows Installer — — Windows ARM Installer — — macOS Installer — — Ubuntu Installer — The Windows and Linux builds require Intel Core…
read the full GPT4All overview →
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Frequently asked questions
Is Open WebUI or GPT4All more popular?
Open WebUI has 157,575 GitHub stars and GPT4All has 77,347. Open WebUI has the larger community by that measure.
Are Open WebUI and GPT4All free?
Both are open source. Open WebUI has no licence declared in this registry, and GPT4All is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and GPT4All?
Open WebUI is written in Python and GPT4All in C++. 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 GPT4All?
Choose Open WebUI if you want the larger community (157,575 stars) or its Custom / other licence terms. Choose GPT4All if its feature set, stack or MIT licence fits better. Both are self-hostable.