
Nano Banana Pro Guide: Prompts, Settings and Best Uses
Nano Banana Pro costs $0.134 per image at 1K or 2K and $0.24 at 4K. Here's where to use it, how its 14 reference slots split, the settings that matter, and when Nano Banana 2.1 wins.
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Every article tagged “Nano Banana” on the Heyperai blog.

Nano Banana Pro costs $0.134 per image at 1K or 2K and $0.24 at 4K. Here's where to use it, how its 14 reference slots split, the settings that matter, and when Nano Banana 2.1 wins.

Inpaint to fix one area, outpaint to change the shape, upscale last. Here's when each beats regenerating, why your mask isn't a stencil, and the default model that triples the cost per try.

Make AI product photos from one honest photo: a white main image, background swaps and on-model shots, the two AI-labelling rules on Amazon and Google, and a per-SKU cost check against a studio.

Consistent AI characters come from references, not seeds. When to use reference images, a character sheet, a saved character or a LoRA, with a copyable sheet prompt and each tool's documented limits.

Good AI image prompts aren't longer, they're more specific. The five parts every prompt needs, why "no" backfires, and how GPT Image, Nano Banana, FLUX.2, Midjourney and Stable Diffusion each want it written.
An honest comparison of the best AI image generators in 2026: which model wins on prompt accuracy, photoreal detail, text rendering and editing — and how to choose.