Image
SwarmUI
SwarmUI (formerly StableSwarmUI), A Modular Stable Diffusion Web-User-Interface, with an emphasis on making powertools easily accessible, high performance, a…
★ 4.6k starsMIT
View guide →Modular Stable Diffusion web UI that makes power tools accessible, fast, and extensible
StableSwarmUI is an open-source image project by Stability-AI (Stability-AI/StableSwarmUI on GitHub). It has 4,943 GitHub stars and 401 forks, is released under the MIT license, and was last updated on GitHub on 6 March 2025.
Choose a local install (Windows, Linux, macOS) or Docker, and whether to use the ComfyUI or AUTOMATIC1111 backend.
Download the install script for your OS from the repo, or clone it manually if you prefer full control.
Run the installer; it sets up .NET and dependencies, then opens an install page where you pick a backend and download models.
Open the Generate tab, enter a prompt, and generate — then explore the image editor and Grid Generator.
A friendly main interface for text-to-image generation with powerful convenience features built in.
Access the unrestricted raw ComfyUI graph for advanced, node-based workflows.
Can auto-install ComfyUI or AUTOMATIC1111's webui, or connect to remote servers and the Stability AI API.
Designed to let multiple GPUs generate images for the same user at once, especially for large grid generations.
Edit generated images without leaving the UI, alongside tools like the Grid Generator.
One-click style install scripts for Windows and Linux, a macOS flow for Apple silicon, and a Docker launch script.
Clone the project and enter its directory.
git clone https://github.com/Stability-AI/StableSwarmUI.git
cd StableSwarmUIOn Linux, the launch script installs dependencies and starts the server; Windows users run launch-windows.bat and macOS users launch-macos.sh instead.
./launch-linux.shIf the browser does not open automatically, visit the install page and follow the on-page setup to pick a backend and models.
http://localhost:7801/InstallIt was created under Stability AI; per the README's migration notice, since June 2024 the original developer maintains an independent version (SwarmUI by mcmonkeyprojects), and this repository is no longer maintained under Stability AI.
Yes. It is open source under the MIT license, though some optional backends and models it can install carry their own licenses (for example ComfyUI is GPL and AUTOMATIC1111's webui is AGPL).
No — it runs locally with local backends and models. A paid key is only needed if you choose to connect the optional Stability AI API backend.
StableSwarmUI is a modular front-end that can actually use AUTOMATIC1111's webui as one of its backends; compared with using A1111 alone, Swarm adds a cleaner Generate UI, a built-in ComfyUI graph tab, and multi-GPU 'swarm' generation.
Run the installer for your OS (install-linux.sh, Install-Windows.bat, or launch-macos.sh), complete the on-page install at http://localhost:7801/Install, then generate from the Generate tab.
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