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Stability-AI/StableSwarmUI

A modular web UI for Stable Diffusion image generation, built to make advanced tools easy to reach and extensible.

Open-source alternative to:Midjourney

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What is it?

StableSwarmUI is a browser-based interface for Stable Diffusion image generation. It puts a Generate tab for everyday prompting alongside power tools such as a Grid Generator for batch comparisons, an image editor, and automatic workflow generation.

Advanced users can open a Comfy Workflow tab to work directly with the raw ComfyUI node graph. The project can install and use ComfyUI as a backend, and it can also connect to AUTOMATIC1111 Stable Diffusion WebUI or the Stability AI API. Multiple GPUs can be combined so that a single user's generations, especially large grids, run across machines.

The project runs on Windows, Linux, and macOS (Apple silicon only), and includes a Docker setup. It is marked Beta, and its maintenance moved to an independent fork at mcmonkeyprojects/SwarmUI in June 2024.

Key features

  • 01Generate tab for everyday prompting with a range of generation options
  • 02Comfy Workflow tab exposing the raw ComfyUI node graph
  • 03Grid Generator for batch and comparison image runs
  • 04Built-in image editor and automatic workflow generation
  • 05Multi-GPU support so one user's generations can span several machines
  • 06One-click installers for Windows and Linux, plus Docker

Use cases

  • Creating Stable Diffusion images without writing ComfyUI graphs by hand
  • Running large grid comparisons of prompts, models, or settings
  • Using a single interface across several GPUs or backend engines
  • Self-hosting an image generation UI on a local machine or rented GPU server

Quick start

  1. 1

    Install git and Python 3 with pip and venv using your OS package manager

    sudo apt install git python3-pip python3-venv
  2. 2

    Clone the repository

    git clone https://github.com/Stability-AI/StableSwarmUI
  3. 3

    Enter the project folder

    cd StableSwarmUI
  4. 4

    Launch the server, then open http://localhost:7801 if the browser does not open itself

    ./launch-linux.sh

Things to know

  • The project is in Beta status, and more features are still planned.
  • On Mac, it only runs on computers with M1 or M2 (Apple silicon) processors.
  • Stability AI no longer maintains it; development continues in an independent fork (mcmonkeyprojects/SwarmUI).
  • Some optional connected backends and auto-installed components are under GPL or AGPL licenses.

In collections

Self-hosted appsAI image generators & Stable Diffusion toolsRun and train AI on GPUs

Topics

#stable-diffusion#image-generation#web-ui#comfyui#gpu#self-hosted#ai#stablediffusion#ui

FAQ

What is StableSwarmUI?
A modular web UI for Stable Diffusion image generation, built to make advanced tools easy to reach and extensible. StableSwarmUI is a browser-based interface for Stable Diffusion image generation. It puts a Generate tab for everyday prompting alongside power tools such as a Grid Generator for batch comparisons, an image editor, and automatic workflow generation.
Is StableSwarmUI free to use? What license does it have?
StableSwarmUI is open source under the MIT license. Check the license terms before using it in commercial products.
Is StableSwarmUI still maintained?
Actively maintained. The last commit to StableSwarmUI was on Oct 15, 2026.
What can I use StableSwarmUI for?
Creating Stable Diffusion images without writing ComfyUI graphs by hand Running large grid comparisons of prompts, models, or settings Using a single interface across several GPUs or backend engines Self-hosting an image generation UI on a local machine or rented GPU server
How do I install StableSwarmUI?
Install git and Python 3 with pip and venv using your OS package manager: sudo apt install git python3-pip python3-venv Clone the repository: git clone https://github.com/Stability-AI/StableSwarmUI Enter the project folder: cd StableSwarmUI Launch the server, then open http://localhost:7801 if the browser does not open itself: ./launch-linux.sh
Where can I get StableSwarmUI?
The source code and installation instructions are on GitHub: https://github.com/Stability-AI/StableSwarmUI

Summary generated by AI from the project's README. GitHub stats refresh daily.

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