Image

Stable Diffusion

The open-source image generation powerhouse, free and unlimited

Visit Stable Diffusion
★4.7ratingPricing · FreeStable
The FalcoScan Intel PanelStable Diffusion · Image
Data updated 2 November 2026
Opportunity
Low
Band
Saturation
Crowded
Band
Wrapper risk
Low
Band
Momentum
Stable
Market trend
Rating
4.7
of 5 · FalcoScan rating

Image AI has no moat to speak of on average, from the moat scores of its rated products. What protects Image AI tools, and the widest moats

The Brief

What Stable Diffusion does

Stable Diffusion is the leading open-source text-to-image model. Run it locally for free, fine-tune with LoRA, use ControlNet for pose guidance, and access thousands of community models. Maximum flexibility for technical creators.

How Stable Diffusion compares with its closest alternatives

All 5 closest alternatives have a free plan, as Stable Diffusion does. Only Openart AI lists a starting price, $10 a month. 2 of the 5 offer an API, as Stable Diffusion does. Stable Diffusion offers a web app and a desktop app. Of the alternatives, 4 offer a web app and 3 offer a desktop app. Stable Diffusion was founded in 2022; the alternatives on record were all founded in 2022. Stable Diffusion is based in London, United Kingdom; none of the 2 alternatives with a known headquarters is in the United Kingdom. They are in Hong Kong and the United States.

Market position · Image

How Stable Diffusion compares in Image

Stable Diffusion has low opportunity and sits in the bottom third of 472 live Image tools on FalcoScan. Across Image, the average opportunity score is 49.2 and the average saturation score 52.4. FalcoScan rates Stable Diffusion's own market position as crowded. 67 of the 472 operating Image tools have hot momentum, and FalcoScan has recorded 16 shutdowns in the category.

Stable Diffusion compared with its closest alternatives
ProductOpportunitySaturationPricingPricing fromFree planAPIPlatformsMomentum
Stable DiffusionFounded 2022 · London, United KingdomLowCrowdedFree—YesYesWeb, API, DesktopStable
Automatic1111Founded 2022 · Remote-firstLowContestedFree—YesYesWeb, DesktopStable
Tensor ArtFounded 2022 · Hong KongLowCrowdedFreemium—YesNoWebStable
Waifu DiffusionFounded 2022 · New York, United StatesLowContestedFree—YesNoDesktopStable
ComfyUIFounded 2022 · Remote-firstModerateContestedFree—YesYesWeb, DesktopHot
Openart AIFounded 2022LowCrowdedFreemium$10/moYesNoWebStable

Exact opportunity and saturation scores for all 6 of these, and where each ranks in Image.

See them free for 7 days
What it ships with

Capabilities & who uses it

The capabilities Stable Diffusion exposes to builders and the verticals it currently serves.

AI Capabilities
Text To ImageFine TuningControlNet
Industry Verticals
CreativeResearchEnterprise
Tagged

Stable Diffusion shows up when builders search for these

open-sourcefreelocalLoRAControlNet
Similar tools · Image

Alternatives to Stable Diffusion

Products still running that do the same job, from the image market and related ones, closest match first.

See the Image market
Image
Automatic1111

The most powerful open-source Stable Diffusion web UI

★ 4.6Opportunity Low
Free
Image
Tensor Art

Free cloud platform for running Stable Diffusion models

★ 4.3Opportunity Low
Freemium
Image
Waifu Diffusion

Open-source Stable Diffusion fine-tuned for anime art

★ 4.2Opportunity Low
Free
Image
ComfyUI

Node-based Stable Diffusion workflow builder for power users

★ 4.6Opportunity Moderate
Free
Image
Openart AI

Social platform for AI art with 10M+ images

★ 4.3Opportunity Low
Freemium
Image
Pixai Art

AI anime art generation with ControlNet in browser

★ 4.2Opportunity Low
Freemium
Featured in
Questions

Stable Diffusion: common questions

Is Stable Diffusion free?

Yes. FalcoScan lists Stable Diffusion as free to use.

What are the best alternatives to Stable Diffusion?

The closest alternatives to Stable Diffusion that are still running, matched on the AI capabilities, uses and audience they share, are Automatic1111, Tensor Art, Waifu Diffusion, ComfyUI, and Openart AI.

Is Stable Diffusion still running?

Yes. As of 2 November 2026, FalcoScan lists Stable Diffusion as operating at stability.ai.

Where is Stable Diffusion based?

Stable Diffusion is headquartered in London, United Kingdom.

Does Stable Diffusion have an API?

Yes. Stable Diffusion offers an API.

Who is Stable Diffusion for?

Stable Diffusion is built for developers, artists, and researchers.

How do I sign in to Stable Diffusion?

Sign in on Stable Diffusion's own website, stability.ai. FalcoScan reviews Stable Diffusion but does not run its accounts, so logins, passwords and billing are handled by Stable Diffusion directly.

Back to Browse