Automatic1111 Stable Diffusion WebUI vs ComfyUI: which one should you choose?

An at-a-glance comparison of pricing, free plans, features and member ratings for these image generation tools. Updated November 2026.

Automatic1111 Stable Diffusion WebUI Visit →

ComfyUI Visit →

Quick verdict: All of them let you start for free, so the easiest way to choose is to try each one on a real task.

Feature	Automatic1111 Stable Diffusion WebUI	ComfyUI
Rating	No reviews yet · Be the first	No reviews yet · Be the first
Pricing	Free	Free
Free plan	✓ Yes	✓ Yes
Category	🎨 Image Generation	🎨 Image Generation
Tags	open source stable diffusion	open source nodes stable diffusion
Listed since	29 Oct 2026	7 Nov 2026
Website	github.com ↗	comfy.org ↗

Which should you pick?

Choose Automatic1111 Stable Diffusion WebUI if…

Popular open-source web interface for Stable Diffusion.

you want something completely free

Full Automatic1111 Stable Diffusion WebUI details →

Choose ComfyUI if…

Open-source node-based interface for image and video models.

you want something completely free

Full ComfyUI details →

Automatic1111 Stable Diffusion WebUI vs ComfyUI: common questions

What is the difference between Automatic1111 Stable Diffusion WebUI and ComfyUI?

Automatic1111 Stable Diffusion WebUI: Popular open-source web interface for Stable Diffusion. ComfyUI: Open-source node-based interface for image and video models. The table above compares pricing, features and member ratings side by side.

Is Automatic1111 Stable Diffusion WebUI or ComfyUI free?

Automatic1111 Stable Diffusion WebUI is listed as Free, and ComfyUI as Free. Prices change often, so check each website before you buy.

Are there other alternatives to Automatic1111 Stable Diffusion WebUI and ComfyUI?

Yes — see the full lists of Automatic1111 Stable Diffusion WebUI alternatives and ComfyUI alternatives on aiberry.in, or compare other tools in the same category.

Details are collected from each tool's website and checked automatically; ratings come from aiberry members with confirmed email addresses. Prices change — always check the official site. How we compare tools.