Comparison

ComfyUI vs Stable Diffusion WebUI

On the evidence we track, ComfyUI leads this comparison with a composite score of 58/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

ComfyUI full profile →Stable Diffusion WebUI full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

★ComfyUI58

Stable Diffusion WebUI42

Attribute comparison across 2 tools
Attribute	ComfyUILeader	Stable Diffusion WebUI
vioscaleAI score	58 / 100low · 37%	42 / 100low · 33%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	free
Price levelpricing.price_level	mid	free
Starting pricepricing.starting_price	$16	-
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	6	1
Security
Gdprsecurity.gdpr	✓	-
Trust centersecurity.trust_center	-	https://github.com/security
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=comfyui&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=fsdsfbhgfjghjhg&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	0	0
Github starsadoption.github_stars	137,330	165,049
Activity
Commits last 30dactivity.commits_last_30d	100	0
Release
Cadence daysrelease.cadence_days	6	17
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	GPL-3.0	AGPL-3.0
Language
Primarylanguage.primary	Python	Python
Market
Availabilitymarket.availability	Available worldwide	Available worldwide
Content
Faqcontent.faq	7 items	5 items

Score

vioscaleAI score

ComfyUI58 / 100low · 37%

Stable Diffusion WebUI42 / 100low · 33%

Pricing

Free tier

ComfyUI✓

Stable Diffusion WebUI✓

Model

ComfyUIfreemium

Stable Diffusion WebUIfree

Price level

ComfyUImid

Stable Diffusion WebUIfree

Starting price

ComfyUI$16

Stable Diffusion WebUI–

Transparent

ComfyUI✓

Stable Diffusion WebUI✓

Integrations

Count

ComfyUI6

Stable Diffusion WebUI1

Security

Gdpr

ComfyUI✓

Stable Diffusion WebUI–

Trust center

ComfyUI–

Stable Diffusion WebUIhttps://github.com/security

Vulnerabilities

ComfyUICount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=comfyui&per_page=100 · Last 12m: 0

Stable Diffusion WebUICount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=fsdsfbhgfjghjhg&per_page=100 · Last 12m: 0

Adoption

Dependent repos

ComfyUI0

Stable Diffusion WebUI0

Github stars

ComfyUI137,330

Stable Diffusion WebUI165,049

Activity

Commits last 30d

ComfyUI100

Stable Diffusion WebUI0

Release

Cadence days

ComfyUI6

Stable Diffusion WebUI17

History

ComfyUI20 items

Stable Diffusion WebUI20 items

License

Spdx

ComfyUIGPL-3.0

Stable Diffusion WebUIAGPL-3.0

Language

Primary

ComfyUIPython

Stable Diffusion WebUIPython

Market

Availability

ComfyUIAvailable worldwide

Stable Diffusion WebUIAvailable worldwide

Content

Faq

ComfyUI7 items

Stable Diffusion WebUI5 items

Capabilities

Feature-by-feature on the axes that matter for ai image generation. “-” means undocumented, not absent.

Capability comparison for AI Image Generation
Capability	ComfyUI	Stable Diffusion WebUI
Capabilities
Deployment model	-	Local GPU instance
Text to image prompting	✓	✓
Image to image seed referencing	✓	✓
Inpainting and outpainting masking	✓	✓
Negative prompt and weight exclusion	-	✓
Pose control and structure mapping controlnet	✓	-
AI automated resolution upscaling	✓	✓
Custom model training and lora finetuning	✓	✓
Commercial usage rights granted	✓	-
Enterprise ip indemnification protection	-	-
SOC2 type ii	-	-
ISO 27001	-	-
Pricing model	Token credit based	Free open weights

Capabilities

Deployment model

ComfyUI-

Stable Diffusion WebUILocal GPU instance

Text to image prompting

ComfyUI✓

Stable Diffusion WebUI✓

Image to image seed referencing

ComfyUI✓

Stable Diffusion WebUI✓

Inpainting and outpainting masking

ComfyUI✓

Stable Diffusion WebUI✓

Negative prompt and weight exclusion

ComfyUI-

Stable Diffusion WebUI✓

Pose control and structure mapping controlnet

ComfyUI✓

Stable Diffusion WebUI-

AI automated resolution upscaling

ComfyUI✓

Stable Diffusion WebUI✓

Custom model training and lora finetuning

ComfyUI✓

Stable Diffusion WebUI✓

Commercial usage rights granted

ComfyUI✓

Stable Diffusion WebUI-

Enterprise ip indemnification protection

ComfyUI-

Stable Diffusion WebUI-

SOC2 type ii

ComfyUI-

Stable Diffusion WebUI-

ISO 27001

ComfyUI-

Stable Diffusion WebUI-

Pricing model

ComfyUIToken credit based

Stable Diffusion WebUIFree open weights

What each one is

The product in its own terms, so the numbers below have context.

ComfyUI

Leader

A node-graph interface for building and executing AI workflows that generate images, videos, audio, and 3D models. Runs locally on your hardware or via cloud deployment, with support for thousands of models and extensible through custom nodes and integrations.

Independently observed

Stable Diffusion WebUI

A browser-based tool that creates images from text prompts using the Stable Diffusion model. It includes features for image refinement, upscaling, inpainting, and customization through user-trained models like LoRA and embeddings.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

ComfyUI

Leader

from $16/moHybridFree tier

Free tier available; paid plans from $16–$2,500/month with usage-based credits. Separate API and commercial model licensing available.

FreeFree
Standard-
Creator-
Pro$16/month (annual) or $192/year
Team$200–$2,500/month (five tiers); up to 20% annual discount
EnterpriseContact sales

as of 2026-10-13verify ↗

Stable Diffusion WebUI

FreeFree tier

Free and open-source

as of 2026-10-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	ComfyUI	Stable Diffusion WebUI
WebPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✓
LinuxPlatforms	✓	✓
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓

Platforms

Web

ComfyUI✓

Stable Diffusion WebUI✓

macOS

ComfyUI✓

Stable Diffusion WebUI✗

Windows

ComfyUI✓

Stable Diffusion WebUI✓

Linux

ComfyUI✓

Stable Diffusion WebUI✓

CLI

ComfyUI✓

Stable Diffusion WebUI✗

Deployment

Cloud / SaaS

ComfyUI✓

Stable Diffusion WebUI✗

Self-hosted

ComfyUI✓

Stable Diffusion WebUI✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

ComfyUI

Leader

36 total

Kling AI
OpenAI DALL-E
Tripo 3D
Vidu
Seedance
Wan
Grok Imagine
Stability AI
Flux
Hunyuan 3D
Luma Dream Machine
Recraft
Magnific AI
Runway
Topaz Labs
Gemini Image
Hailuo MiniMax
Meshy AI
Pixverse
Rodin 3D
Wavespeed
Bria AI
LTX Video
Ideogram
+12 more

Independently observed

Stable Diffusion WebUI

1 total

DeepDanbooru

Independently observed

Still deciding?

ComfyUI or Stable Diffusion WebUI: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.