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ComfyUI

Create AI images and videos by connecting building blocks on a visual canvas.

What it does

ComfyUI is a tool for making images and videos with AI models such as Stable Diffusion and Flux. Instead of typing everything into one box, you connect blocks (load a model, write a prompt, upscale, save) like a flowchart.

This visual approach gives artists precise control and lets them save and share whole workflows with others.

It runs on your own computer, and a large community publishes add-ons and ready-made workflows for it.

Who it's for

Digital artists, designers and hobbyists who want deep control over AI image and video generation.

Can I use it without coding?

With some setup. A desktop app is available. A good graphics card makes a big difference. New to this? Start here.

Can I run it?

Cost
Free, with optional paid extrasThe open-source version is free; the makers also sell a hosted or pro version.
Runs on
Mac, Windows, Linux, Cloud
Computer
Works best on a powerful computer or one with a graphics card (GPU)
Privacy
Your choice: run it on your device or use an online service
API key
Not needed

Try it

  1. Download the desktop app for Windows or macOS from the official ComfyUI website.
  2. If your computer isn't powerful enough, Comfy Cloud is the official paid online version.
  3. Start from a ready-made template workflow to make your first image.
Official download page

Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?

Before you install

  • Only download from the official GitHub page or the official download page above. Copies with similar names exist for many popular projects.
  • License (GPL-3.0): Free to use; if you share a changed version, you must share your source code too.
  • More on staying safe

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