Side by side

Fashion Diffusion vs Fermat

Both stand on ai sketch-to-image generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Fashion Diffusion

Free plan AndroidAPIiPhone+2

Fashion Diffusion combines fashion image and video generation with tools for design workflows and commercial photography. A free plan and trial are listed, with paid plans from $12/mo.

Visit Fashion Diffusion

Fermat

Free plan APIWeb

Fermat focuses its image-generation tools on fashion design workflows, with options for individuals, teams and enterprise use. Consider the credit allowance and plan cost when choosing a tier.

Visit Fermat

The facts

	Fashion Diffusion	Fermat
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Android, API, iPhone, Mac, Web	API, Web
Lowest paid plan	Starter Yearly: $119.99 a year	Fermat Pro (annual): $330 a year
Plans published	7	7
Maker	Not published	Not published
Website	fashiondiffusion.ai	fermat.app
On ai sketch-to-image generators	#1 of 29	#4 of 29

Fashion Diffusion: what it does well

Turns sketches, flat-lay photos, and text into visuals
Includes virtual try-on and generated models and outfits
Offers more than 18 fashion-focused API endpoints
Generated outputs may be used commercially
Uploaded images require separate opt-in for model training

What to know first

Fashion video API generation is listed at 1–3 minutes
Services are not intended for individuals under 16

Fermat: what it does well

More than 40 generative tools organized by workflow
Sketches can become photorealistic images
Customers retain intellectual property ownership of generations
Pro includes 150 credits per month
Enterprise lists API and batch processing

What to know first

Free Starter plan includes 1 credit
Each video generation costs 4 credits
Pro costs $30 a month
Enterprise pricing requires contacting the company

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