Image

Stable Diffusion 3.5

Open-source image generation by Stability AI

★4.4ratingPricing · FreemiumStable
The FalcoScan Intel PanelStable Diffusion 3.5 · Image
Data updated 1 November 2026
Opportunity
High
Band
Saturation
Contested
Band
Wrapper risk
Low
Band
Momentum
Stable
Market trend
Rating
4.4
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 3.5 does

SD 3.5 Large delivers photorealistic and artistic image generation with improved text rendering and composition.

How Stable Diffusion 3.5 compares with its closest alternatives

4 of the 5 closest alternatives have a free plan, as Stable Diffusion 3.5 does. 4 of the 5 offer an API, as Stable Diffusion 3.5 does. Stable Diffusion 3.5 offers a web app. Of the 4 alternatives with platforms on record, 2 offer a web app. Stable Diffusion 3.5 was founded in 2022; the alternatives were founded between 2023 and 2024. Stable Diffusion 3.5 is based in London, United Kingdom; none of the 4 alternatives with a known headquarters is in the United Kingdom. They are in Germany, Canada and the United States.

Market position · Image

How Stable Diffusion 3.5 compares in Image

Stable Diffusion 3.5 has high opportunity and sits in the top third of 459 live Image tools on FalcoScan. Across Image, the average opportunity score is 49.1 and the average saturation score 52.4. FalcoScan rates Stable Diffusion 3.5's own market position as contested. 67 of the 459 operating Image tools have hot momentum, and FalcoScan has recorded 16 shutdowns in the category.

Stable Diffusion 3.5 compared with its closest alternatives
ProductOpportunitySaturationPricingPricing fromFree planAPIPlatformsMomentum
Stable Diffusion 3.5Founded 2022 · London, United KingdomHighContestedFreemium—YesYesWeb, APIStable
Flux.1 DevFounded 2024 · Freiburg im Breisgau, GermanyHighOpenFree—YesYesAPI, CLIRising
FLUX by Black Forest LabsFounded 2023 · Freiburg im Breisgau, GermanyModerateContestedFreemium—YesYesWeb, APIRising
Ideogram 2.0Founded 2023 · Toronto, CanadaModerateContestedFreemium—YesYesWeb, APIStable
Fooocus LocalFounded 2023 · Remote-firstModerateOpenFree—YesNoDesktopRising
Imagen 3 APIFounded 2024 · San Francisco, United StatesHighOpenPaid—NoYesAPIHot

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

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What it ships with

Capabilities & who uses it

The capabilities Stable Diffusion 3.5 exposes to builders and the verticals it currently serves.

AI Capabilities
Image Generation
Industry Verticals
MediaSoftware
Tagged

Stable Diffusion 3.5 shows up when builders search for these

open-sourcegenerationphotorealistic
Similar tools · Image

Alternatives to Stable Diffusion 3.5

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

See the Image market
Image
Flux.1 Dev

Open-weight image model by Black Forest Labs

★ 4.5Opportunity High
Free
Image
FLUX by Black Forest Labs

Best photorealism in AI image generation, period

★ 4.8Opportunity Moderate
Freemium
Image
Ideogram 2.0

Best AI text-in-image generation

★ 4.6Opportunity Moderate
Freemium
Image
Fooocus Local

Offline Midjourney-like image generation

★ 4.5Opportunity Moderate
Free
Image
Imagen 3 API

Google highest quality text-to-image API

★ 4.5Opportunity High
Paid
Image
Magnific AI Upscale

Creative AI upscaler with hallucination control

★ 4.5Opportunity High
Paid
Featured in
Questions

Stable Diffusion 3.5: common questions

Is Stable Diffusion 3.5 free?

Stable Diffusion 3.5 has a free tier, with paid plans.

What are the best alternatives to Stable Diffusion 3.5?

The closest alternatives to Stable Diffusion 3.5 that are still running, matched on the AI capabilities, uses and audience they share, are Flux.1 Dev, FLUX by Black Forest Labs, Ideogram 2.0, Fooocus Local, and Imagen 3 API.

Is Stable Diffusion 3.5 still running?

Yes. As of 1 November 2026, FalcoScan lists Stable Diffusion 3.5 as operating at stability.ai.

Where is Stable Diffusion 3.5 based?

Stable Diffusion 3.5 is headquartered in London, United Kingdom.

Does Stable Diffusion 3.5 have an API?

Yes. Stable Diffusion 3.5 offers an API.

Who is Stable Diffusion 3.5 for?

Stable Diffusion 3.5 is built for developers and creators.

How do I sign in to Stable Diffusion 3.5?

Sign in on Stable Diffusion 3.5's own website, stability.ai. FalcoScan reviews Stable Diffusion 3.5 but does not run its accounts, so logins, passwords and billing are handled by Stable Diffusion 3.5 directly.

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