head to head · open source
Open WebUI vs coze-studio
Open WebUI has 152,394 GitHub stars, 22,296 forks, 294 open issues and last shipped yesterday. coze-studio has 21,602 stars, 3,114 forks, 568 open issues and last shipped 2 months ago. Open WebUI leads on adoption by 605% (152,394 vs 21,602 stars). Open WebUI is written in Python under a custom or non-standard licence; coze-studio is written in TypeScript under Apache-2.0. Open WebUI has attracted 15% as many forks as stars, coze-studio 14%. 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 | coze-studio | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 22K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-07-29 |
| Forks | ⑂ 22K | ⑂ 3.1K |
| 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 coze-studio if
- You want the coze-studio feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and coze-studio 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 coze-studio
Coze Studio is an all in one AI agent development platform that bundles the core technologies needed to build agents — prompt engineering, RAG, plugins, and workflows — behind a single visual interface. It is derived from the Coze Development Platform, which the project states has served tens of thousands of enterprises and millions of developers, and its core engine has now been released as open source under the Apache 2.0 license. The backend is written in Golang, the frontend uses React with TypeScript, and the overall architecture is built on microservices following domain driven design (DDD) principles. It l…
read the full coze-studio overview →
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Frequently asked questions
Is Open WebUI or coze-studio more popular?
Open WebUI has 152,394 GitHub stars and coze-studio has 21,602. Open WebUI has the larger community by that measure.
Are Open WebUI and coze-studio free?
Both are open source. Open WebUI has no licence declared in this registry, and coze-studio is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Open WebUI and coze-studio?
Open WebUI is written in Python and coze-studio in TypeScript. 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 coze-studio?
Choose Open WebUI if you want the larger community (152,394 stars) or its Custom / other licence terms. Choose coze-studio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.