GPT-Image-2 inherits ChatGPT’s obsession with dialogue—great when marketers iterate with sentences like “swap the mug glaze but keep condensation beads.” Nano Banana 2 often shines when teams mute the chatter and batch fifty apparel flats because Tuesday’s drop waits for nobody.
Blind test trick: export PNGs with anonymous hashes. Most arguments evaporate. What remains—texture bias, color science preference, edge softness—is worth documenting.

GPT-Image-2 edges ahead when…
Prompts evolve mid-thread—language-first creatives tweak copy live.
Executives want something explained while iterating—“why is the reflection hotter on the left?”
Nano Banana 2 edges ahead when…
You hammer batches with minimal prose—SKU grids, palette swaps, carousel variants.
Latency budgets reward shorter prompts repeated across SKUs.