Stability AI pricing & features

Stable Diffusion maker selling its image models through a credit-based API (1 credit = $0.01) with generate, edit, upscale and control services.

Score in AI Image Generators5.0 /10

At a glance

Best for: Developers who want pay-per-call inpaint, outpaint and upscale APIs
Pricing model: Paid
Free trial: Not published
Rank: #22 of 28

What it does well

Its API lists inpaint, outpaint, style transfer from reference images and upscalers, each priced in credits.

Watch for

There is no subscription plan: usage is pay-per-credit at 1 credit = $0.01 after 25 free starting credits.

Paid fromNot published“API usage is based on credits. 1 credit = $0.01.” — platform.stability.ai/pricing

Free planNot published

Free trialNot published

✓Image editing · YesEdits an existing image: inpainting, outpainting or region edits.“Use a mask (or alpha channel) to replace anything in an image” — platform.stability.ai/pricing
✓Reference images · YesUses an uploaded image as a style, character or composition reference.“Apply visual styles from reference images to a target image” — platform.stability.ai/pricing
✓Upscaling · YesBuilt-in image upscaling.“Upgrade low-res to 4k without reinterpreting the image” — platform.stability.ai/pricing
✓Commercial use · YesThe maker says generated images may be used commercially on at least one plan.“allows for research, non-commercial, and commercial use of the Core Models” — stability.ai/license
✓API · YesA public image-generation API documented on the maker's site.“Power your applications with the Stability AI API.” — platform.stability.ai/pricing

Stability AI does not publish a price, and it does not publish a free plan. Read from stability.ai on Oct 24, 2026.