head to head · open source
Open WebUI vs ChatALL
Open WebUI has 152,394 GitHub stars, 22,296 forks, 294 open issues and last shipped yesterday. ChatALL has 16,496 stars, 1,723 forks, 234 open issues and last shipped 7 days ago. Open WebUI leads on adoption by 824% (152,394 vs 16,496 stars). Open WebUI is written in Python under a custom or non-standard licence; ChatALL is written in JavaScript under Apache-2.0. Open WebUI has attracted 15% as many forks as stars, ChatALL 10%. 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.
← all 8884 open source comparisons
Side by side
| Open WebUI | ChatALL | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 16K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-17 | 2026-09-11 |
| Forks | ⑂ 22K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 152K 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 ChatALL if
- You want the ChatALL feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and ChatALL fits your workflow better
About Open WebUI
Open WebUI is a self hosted, open source AI interface that unifies access to local and cloud based large language models. It runs entirely in a web browser and supports Ollama for local model hosting alongside any OpenAI compatible API, including services like LMStudio, GroqCloud, Mistral, and OpenRouter. Built in Python, it functions as a drop in replacement for proprietary AI platforms, giving users full control over their model infrastructure and data.
read the full Open WebUI overview →
About ChatALL
ChatALL is an open source desktop application that sends one prompt to many AI bots concurrently so users can compare answers and discover the best result, and it is built for LLM gurus, LLM researchers, and developers of LLM applications.
read the full ChatALL overview →
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is Open WebUI or ChatALL more popular?
Open WebUI has 152,394 GitHub stars and ChatALL has 16,496. Open WebUI has the larger community by that measure.
Are Open WebUI and ChatALL free?
Both are open source. Open WebUI has no licence declared in this registry, and ChatALL is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Open WebUI and ChatALL?
Open WebUI is written in Python and ChatALL in JavaScript. 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 ChatALL?
Choose Open WebUI if you want the larger community (152,394 stars) or its Custom / other licence terms. Choose ChatALL if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.