Image
Nano Banana Pro vs. Nano Banana 2
Compare both image models at the same output size and calculate the cost per accepted result.
Use a fixed subject for drafts
Try the same prompt and reference on both models. Check the subject outline, relative size, and background. Record how many extra generations each model needs.
Review at the delivery size
Inspect fine text, edges, and material detail at the target size. Quote the exact output settings before choosing. When both models meet the brief, compare total spending divided by the number of accepted images.
Test prompt
Square product photo of a clear glass bottle. Keep the mouth of the bottle and the label edges sharp. Warm white background, soft light from the left.