Stable Image Ultra
FAIR · middle third for this operationStable Image Ultra (Stability AI API) costs $0.08 for one image. That is the middle third of the 23 entries we price on the same operation.
Stable Image Ultra · the arithmetic
the unit$0.01 per credit · The pricing page states '1 credit = $0.01'; credits are bought pay-as-you-go, 25 free to start
the meterStable Image Ultra: 8 credits per image
the sumStability publishes both halves on one page: 1 credit = $0.01, Stable Image Ultra = 8 credits. 8 x $0.01 = $0.08.
the verdictFAIR · middle third for this operation
the catchCheaper models on the same page: Stable Image Core 3 credits = $0.03, SD 3.5 Flash 2.5 = $0.025, SD 3.5 Medium 3.5 = $0.035, SD 3.5 Large Turbo 4 = $0.04, SD 3.5 Large 6.5 = $0.065, SDXL 1.0 from 0.9 = from $0.009. Generative editing on the same price list: Inpaint and Search-and-Replace 5 credits = $0.05, Outpaint 4 = $0.04, Erase Object 5 = $0.05, Replace Background & Relight 8 = $0.08.
read on 14 sep 2026 · pricing page ↗ · documentation ↗
Is Stable Image Ultra worth the credits?
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How much does Stable Image Ultra cost on Stability AI?
$0.08 for 1 image, read from Stability AI's own pages on 14 sep 2026. The meter: Stable Image Ultra: 8 credits per image.
Where does this number come from?
Stability publishes both halves on one page: 1 credit = $0.01, Stable Image Ultra = 8 credits. 8 x $0.01 = $0.08.
What counts as one operation here?
1 image. Every entry in the same operation is priced on that same unit, which is what makes the comparison mean anything.