Image generationMITC#

SwarmUI

A friendly generate tab on top of ComfyUI, with multi-GPU support.

Stars
4.7K
Forks
474
Open issues
153
Last commit
2026-10-14

Live from the GitHub API · updated 2026-10-15

What is SwarmUI?

SwarmUI (formerly StableSwarmUI) gives you a simple Generate tab for everyday use while running ComfyUI underneath, so you can drop into the full node editor when needed. It can spread work across several GPUs or machines.

Key features

  • Simple generate UI plus full ComfyUI workflow tab
  • Multi-GPU and multi-machine backends
  • Grid generator for comparing parameters
  • Supports SD, SDXL, FLUX and video models through ComfyUI

System requirements

Platforms
Windows · Linux · macOS · Docker
GPU
NVIDIA recommended; AMD supported
VRAM
6 GB+
Notes
Installs its own .NET runtime and ComfyUI backend.

How to install SwarmUI

Summarized from the project’s README. Projects change quickly — check the GitHub page for the latest instructions.

Windows

  1. 1
    Download install-windows.bat from the repository into an empty folder.
  2. 2
    Run it; follow the web-based installer that opens in your browser.

Linux

  1. 1
    Download install-linux.sh using the link in the README into an empty folder.
  2. 2
    Make it executable and run it, then follow the web installer.
    chmod +x install-linux.sh
    ./install-linux.sh

Strengths

  • Beginner UI with ComfyUI power underneath
  • Multi-GPU support
  • MIT license

Limitations

  • Two layers to troubleshoot (Swarm + ComfyUI)

SwarmUI alternatives compared

SoftwareStarsLicensePlatformsVRAM
SwarmUI

A friendly generate tab on top of ComfyUI, with multi-GPU support.

4.7KMIT6 GB+
ComfyUI

Node-based interface for diffusion models — images, video and audio.

137.6KGPL-3.04 GB minimum for SD1.5; 12 GB+ recommended for FLUX and video models
Stable Diffusion WebUI Forge

A faster, leaner fork of the A1111 WebUI with FLUX support.

13.1KAGPL-3.06 GB+ (FLUX NF4/GGUF variants run on 6–8 GB)
InvokeAI

Professional creative engine with a unified canvas for Stable Diffusion and FLUX.

28.6KApache-2.04 GB for SD1.5, 8 GB for SDXL, 10 GB+ for FLUX
Stable Diffusion WebUI (AUTOMATIC1111)

The classic browser UI for Stable Diffusion with a massive extension ecosystem.

165.1KAGPL-3.04 GB minimum (with --medvram/--lowvram), 8 GB+ recommended
Fooocus

Midjourney-like simplicity for SDXL: type a prompt and press Generate.

53.4KGPL-3.04 GB minimum, 6 GB+ recommended

Related models

FAQ

Is SwarmUI free?

Yes — SwarmUI is open-source software released under the MIT license. Check the license (and any model weight licenses) before commercial use.

Does SwarmUI run on Windows, Mac and Linux?

SwarmUI supports: Windows, Linux, macOS, Docker.

What hardware do I need for SwarmUI?

NVIDIA recommended; AMD supported. VRAM: 6 GB+

How do I install SwarmUI?

1. Download install-windows.bat from the repository into an empty folder. 2. Run it; follow the web-based installer that opens in your browser.

What are the best SwarmUI alternatives?

Popular alternatives include ComfyUI, Stable Diffusion WebUI Forge, InvokeAI, Stable Diffusion WebUI (AUTOMATIC1111). See the comparison table on this page.

Can I use SwarmUI online without installing it?

If you just want results, AiLoft runs top image models such as GPT Image 2.5 and Nano Banana Pro in the browser — no GPU or setup required.

Skip the install — generate images in your browser

No GPU, drivers or Python needed. Use GPT Image 2.5 and Nano Banana Pro online and compare them side by side.