Automatic1111

Situational

Most popular web UI for Stable Diffusion image generation

200 reviews

Free tierHas API

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In a nutshell

The OG Stable Diffusion interface that started it all. Still the most feature-rich option with the largest extension ecosystem. ComfyUI is more flexible but A1111 is more approachable.

What's great

Massive extension ecosystem
Most documentation available
Straightforward UI for SD

Watch out for

Requires local GPU
Can be buggy with updates
Losing ground to ComfyUI

Best for

Stable Diffusion users wanting a feature-rich local UI

Not ideal for

Non-technical users or those without a GPU

Pricing

Free

Free (open source)

Starter

Free

Pro

Free

Enterprise

N/A

View official pricing →

How it compares

Figma

4.7

The collaborative design tool that replaced Photoshop for UI/UX. Now with AI.

Canva

4.6

Design everything without being a designer. Templates, AI, collaboration — all in one.

ComfyUI

4.6

Node-based visual workflow tool for Stable Diffusion and FLUX

See full comparison →

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