head to head · open source
stable-diffusion-webui vs kotaemon
stable-diffusion-webui has 165,228 GitHub stars, 31,916 forks, 2,510 open issues and last shipped 8 months ago. kotaemon has 25,849 stars, 2,164 forks, 247 open issues and last shipped 4 months ago. stable-diffusion-webui leads on adoption by 539% (165,228 vs 25,849 stars). stable-diffusion-webui is written in Python under AGPL-3.0; kotaemon is written in Python under Apache-2.0. stable-diffusion-webui has attracted 19% as many forks as stars, kotaemon 8%. kotaemon 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
| stable-diffusion-webui | kotaemon | |
|---|---|---|
| GitHub stars | ★ 165K | ★ 26K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-03-02 | 2026-07-14 |
| Forks | ⑂ 32K | ⑂ 2.2K |
| 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 kotaemon if
- You want the kotaemon feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and kotaemon fits your workflow better
About stable-diffusion-webui
Stable Diffusion web UI A web interface for Stable Diffusion, implemented using Gradio library. Features Detailed feature showcase with images: Original txt2img and img2img modes One click install and run script (but you still must install python and git) Outpainting Inpainting Color Sketch Prompt Matrix Stable Diffusion Upscale Attention, specify parts of text that the model should pay more attention to a man in a ((tuxedo)) will pay more attention to tuxedo a man in a (tuxedo:1.21) alternative syntax select text and press Ctrl+Up or Ctrl+Down (or Command+Up or Command+Down if you're on a MacOS) to…
read the full stable-diffusion-webui overview →
About kotaemon
kotaemon An open source clean & customizable RAG UI for chatting with your documents. Built with both end users and developers in mind. Live Demo 1 Live Demo 2 Online Install Colab Notebook (Local RAG) User Guide Developer Guide Feedback Contact Introduction This project serves as a functional RAG UI for both end users who want to do QA on their documents and developers who want to build their own RAG pipeline. For end users Clean & Minimalistic UI : A user friendly interface for RAG based QA. Support for Various LLMs : Compatible with LLM API providers (OpenAI, AzureOpenAI, Cohere, etc.) and local LLMs (via…
read the full kotaemon overview →
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Frequently asked questions
Is stable-diffusion-webui or kotaemon more popular?
stable-diffusion-webui has 165,228 GitHub stars and kotaemon has 25,849. stable-diffusion-webui has the larger community by that measure.
Are stable-diffusion-webui and kotaemon free?
Both are open source. stable-diffusion-webui is licensed under AGPL-3.0 and kotaemon under Apache-2.0. Neither carries a licence fee.
What is the difference between stable-diffusion-webui and kotaemon?
stable-diffusion-webui is written in Python and kotaemon 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 kotaemon?
Choose stable-diffusion-webui if you want the larger community (165,228 stars) or its AGPL-3.0 licence terms. Choose kotaemon if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.