Nano Banana 2 shines when Monday starts with forty mild variations on the same hero bottle—different berry accents, identical shadow grammar. Gemini shines when Tuesday’s workshop insists everyone stays inside Docs while iterating campaign visuals tied to live copy edits.
Do not evaluate Banana purely inside narrative brainstorming sessions or Gemini purely inside SKU factories—swap contexts intentionally like any rational bake-off.
Banana 2 sweet spot
Throughput-heavy catalogs, influencer drops with tight deadlines, anything resembling a conveyor belt.
Gemini sweet spot
Teams allergic to exporting PDF proof rounds—slides and commentary living side-by-side.