head to head · open source
stable-diffusion-webui vs Open WebUI
stable-diffusion-webui has 165,041 GitHub stars, 33,088 forks, 2,510 open issues and last shipped 7 months ago. Open WebUI has 154,312 stars, 22,599 forks, 294 open issues and last shipped yesterday. stable-diffusion-webui leads on adoption by 7% (165,041 vs 154,312 stars). stable-diffusion-webui is written in Python under AGPL-3.0; Open WebUI is written in Python under a custom or non-standard licence. stable-diffusion-webui has attracted 20% as many forks as stars, Open WebUI 15%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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
| stable-diffusion-webui | Open WebUI | |
|---|---|---|
| GitHub stars | ★ 165K | ★ 154K |
| License | AGPL-3.0 | Custom / other |
| Written in | Python | Python |
| Last push | 2026-03-02 | 2026-10-11 |
| Forks | ⑂ 33K | ⑂ 23K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick stable-diffusion-webui if
- You weight community size — 165K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Open WebUI if
- You want the Open WebUI feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and Open WebUI fits your workflow better
About stable-diffusion-webui
stable diffusion webui is a Gradio based web interface for the Stable Diffusion image generation models, aimed at artists, hobbyists, and researchers who want text to image and image to image workflows in a browser without writing code.
read the full stable-diffusion-webui overview →
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 →
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Frequently asked questions
Is stable-diffusion-webui or Open WebUI more popular?
stable-diffusion-webui has 165,041 GitHub stars and Open WebUI has 154,312. stable-diffusion-webui has the larger community by that measure.
Are stable-diffusion-webui and Open WebUI free?
Both are open source. stable-diffusion-webui is licensed under AGPL-3.0, and Open WebUI has no licence declared in this registry. Both are free to self-host.
What is the difference between stable-diffusion-webui and Open WebUI?
stable-diffusion-webui is written in Python and Open WebUI in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, stable-diffusion-webui or Open WebUI?
Choose stable-diffusion-webui if you want the larger community (165,041 stars) or its AGPL-3.0 licence terms. Choose Open WebUI if its feature set, stack or Custom / other licence fits better. Both are self-hostable.