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
- 1Download install-windows.bat from the repository into an empty folder.
- 2Run it; follow the web-based installer that opens in your browser.
Linux
- 1Download install-linux.sh using the link in the README into an empty folder.
- 2Make 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
| Software | Stars | License | Platforms | VRAM |
|---|---|---|---|---|
| SwarmUI A friendly generate tab on top of ComfyUI, with multi-GPU support. | 4.7K | MIT | 6 GB+ | |
| ComfyUI Node-based interface for diffusion models — images, video and audio. | 137.6K | GPL-3.0 | 4 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. | 13.1K | AGPL-3.0 | 6 GB+ (FLUX NF4/GGUF variants run on 6–8 GB) | |
| InvokeAI Professional creative engine with a unified canvas for Stable Diffusion and FLUX. | 28.6K | Apache-2.0 | 4 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. | 165.1K | AGPL-3.0 | 4 GB minimum (with --medvram/--lowvram), 8 GB+ recommended | |
| Fooocus Midjourney-like simplicity for SDXL: type a prompt and press Generate. | 53.4K | GPL-3.0 | 4 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.