APIbenchmarks

Head to head

OpenAI Images (gpt-image) vs Stability AI

As a image generation API, OpenAI Images (gpt-image) rates higher on the APIbenchmarks Index, 90.5 to 72.7, a 17.8-point gap. Here is how they compare on each criterion.

90.5ABI / 100

Frontier image gen + editing inside the OpenAI platform

Stability AI logo
Stability AI
Stability AI
C
72.7ABI / 100

Direct Stable Diffusion / Stable Image API

Criterion by criterion

CriterionOpenAI Images (gpt-image)Stability AI
Documentation & DX
94
76
Reliability
92
68
Ecosystem & SDKs
90
66
Accessibility
84
82
APIbenchmarks Index90.572.7

Specifications

OpenAI Images (gpt-image)Stability AI
Best forFrontier image gen + editing inside the OpenAI platformDirect Stable Diffusion / Stable Image API
Free tierNo25 free credits (~$0.25) on signup
PricingPer token (~$0.02-0.25/image)Per image, credit-based ($0.03-0.08)
Official SDKs4 languages6 languages

Is OpenAI Images (gpt-image) better than Stability AI?

On the APIbenchmarks Index, OpenAI Images (gpt-image) rates higher (90.5 vs 72.7). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.