MEASURED 2026-07-21 · 3 MODEL API TEST

AI Running Shoe Ad Model Comparison

The same commercial running-shoe motion prompt tested with GPT Image 2, Flux 2 Flex, and Gemini 2.5 Flash Image Preview, including latency and cost.

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THREE RAW OUTPUTS

Same fixture.
Measured API result.

One accepted output per model. Cost and latency are copied from the stored run records; this dated snapshot is not a universal ranking.

GPT Image 2 output for best AI image model for running shoe ads

GPT Image 2

Latency
73.0 s
Reported cost
$0.0085
Attempts
1
Requested size
1024x1024
Flux 2 Flex output for best AI image model for running shoe ads

Flux 2 Flex

Latency
22.0 s
Reported cost
$0.0700
Attempts
2
Requested size
1024x1024
Gemini 2.5 Flash output for best AI image model for running shoe ads

Gemini 2.5 Flash

Latency
33.0 s
Reported cost
$0.0125
Attempts
1
Requested size
1024x1024
SHARED PROMPT · running-shoe-motion · 4:5

Reproduce the request.

Technical running shoe frozen above a red clay track at impact, fine dust particles suspended in air, directional hard sunlight, visible outsole detail, energetic diagonal composition, commercial sports photography.
OBSERVED FINDING

GPT created the most polished commercial crop, Flux showed the strongest outsole and track realism, while Gemini removed the athlete and emphasized a floating product shot.

Test date: 2026-07-21. The report uses one accepted output from each API and preserves the original images and JSON run records in GitHub. Availability, behavior, and pricing can change.