ComfyUI vs AUTOMATIC1111 Stable Diffusion WebUI

ComfyUI7.6Visit ASAUTOMATIC1111 Stable Diffusion WebUI6.9Visit

Higher score ComfyUI #6 in AI Image Generators 7.6/10 Free plan · paid from $16/mo (annual) Free plan✓ 4 of 4 features Visit ComfyUI

vs

AS AUTOMATIC1111 Stable Diffusion WebUI #7 in AI Image Generators 6.9/10 Free plan Free plan✓ 4 of 4 features Visit AUTOMATIC1111

• ComfyUI fits best

  Advanced workflow builders

• AUTOMATIC1111 Stable Diffusion WebUI fits best

  Free local Stable Diffusion experimentation

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Side by side

Feature	ComfyUI 7.6/10 Visit ↗	ASAUTOMATIC1111 Stable Diffusion WebUI 6.9/10 Visit ↗
At a glance
Editor score	7.6	6.9
Ranking	#6 in AI Image Generators	#7 in AI Image Generators
Best for	Advanced workflow builders	Free local Stable Diffusion experimentation
Pricing model	Free plan + paid	Free
Starting price	$16/mo	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted, Desktop	Self-hosted
Platforms	Web, Windows, macOS, Linux	Web, Windows, macOS, Linux
Support	Community, Docs	Community, Docs
Integrations	4 integrations	7 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features ComfyUI 4/4 · AUTOMATIC1111 Stable Diffusion WebUI 4/4
Text-to-image	✓	✓
Reference images	✓	✓
Image editing	✓	✓
API access	✓	✓
Specs
Monthly credits	Not published	Not published
Commercial use	Not published	Not published
Output formats	PNG, EXR, AVIF	PNG, JPEG
Our review
Pros	Free open-source core with local and self-hosted execution Supports generation, editing, compositing, model merging, and upscaling Offers custom nodes, local APIs, reusable subgraphs, and workflow templates	Text-to-image, image-to-image, inpainting, and outpainting workflows Batch processing, model controls, prompt tools, and upscaling HTTP API plus integrations for restoration and super-resolution
Cons	Standard does not include importing custom models Cloud workflows have runtime limits on Standard, Creator, and Pro Broad support across media types may exceed the needs of focused image users	Requires self-hosted installation on a supported operating system Model licenses may differ from the software's AGPL-3.0 license Broad controls can demand more configuration than a narrow image tool
Our verdict	ComfyUI is an open-source, node-based AI creation engine for visual professionals, developers, and creators who want editable control over image-generation workflows. Users connect models, parameters, processing steps, and outputs in a… Read the review →	AUTOMATIC1111 Stable Diffusion WebUI is an open-source, self-hosted browser interface for generating and transforming images with Stable Diffusion models. It suits creators, developers, and technical teams who want local control over… Read the review →

Strengths and trade-offs

• ComfyUI — where it wins

  • Free open-source core with local and self-hosted execution
  • Supports generation, editing, compositing, model merging, and upscaling
  • Offers custom nodes, local APIs, reusable subgraphs, and workflow templates

  Where it doesn't

  • Standard does not include importing custom models
  • Cloud workflows have runtime limits on Standard, Creator, and Pro
  • Broad support across media types may exceed the needs of focused image users

• AUTOMATIC1111 Stable Diffusion WebUI — where it wins

  • Text-to-image, image-to-image, inpainting, and outpainting workflows
  • Batch processing, model controls, prompt tools, and upscaling
  • HTTP API plus integrations for restoration and super-resolution

  Where it doesn't

  • Requires self-hosted installation on a supported operating system
  • Model licenses may differ from the software's AGPL-3.0 license
  • Broad controls can demand more configuration than a narrow image tool

• ComfyUI7.6/10 · Free plan · paid from $16/mo (annual)

  A flexible open-source workflow engine for creators who need deep control.

  Visit ComfyUIFull verdict →
• ASAUTOMATIC1111 Stable Diffusion WebUI6.9/10 · Free plan

  A free, open-source WebUI for local image generation, editing, training, and automation.

  Visit AUTOMATIC1111Full verdict →