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MODEL COMPARISON

GPT Image 1.5 vs Nano Banana: Which One Should You Use

The site has 31 and 69 reproducible cases for each, respectively. Below, we compare strengths, prompt writing, and final results side by side.

The Bottom Line

GPT Image 1.5 is better for Preserving faces and logos through edits; Nano Banana is better for Fast drafting & batch generation. Running the same idea through both is usually worth it — they "listen" differently, so the prompt has to be adjusted to match.

Strengths & Prompt-Writing Comparison

GPT Image 1.5

Preserving faces and logos through editsRendering dense in-image textPhotographic texture and material feelFollowing long, paragraph-length instructions
It responds to a complete scene description: state the frame, camera position, lighting and materials in separate sentences instead of piling on style words. When editing, say explicitly "change only X, leave everything else as is" — that is where its preservation strength shows.

Nano Banana

Fast drafting & batch generationEveryday portraits & scenesLightweight edit commands
Good for exploring composition directions first, then switching to the Pro version for final polish. Keep prompts concise, with the key information up front.

GPT Image 1.5 Cases

A-to-Z Literacy Poster, One Animal per LetterA-to-Z Literacy Poster, One Animal per LetterGreen-Skinned Noblewoman Faces a Lion on a Misty Forest PathGreen-Skinned Noblewoman Faces a Lion on a Misty Forest PathIvory Elf Dancing Before a Golden ArchwayIvory Elf Dancing Before a Golden ArchwayLaughing Hard, Two Little Goblins Perched on Her ShouldersLaughing Hard, Two Little Goblins Perched on Her ShouldersEyes Closed Before the Mirror, Clutching a Thin BranchEyes Closed Before the Mirror, Clutching a Thin BranchSharp Eyeliner, Baring Her Teeth at the CameraSharp Eyeliner, Baring Her Teeth at the Camera

Nano Banana Cases

A Möbius Highway Holding Up a Floating CityA Möbius Highway Holding Up a Floating CityCandy Wrapper Ad Bursting Out of a BananaCandy Wrapper Ad Bursting Out of a BananaKnife-Biting Fat Cat Marker Lettering PosterKnife-Biting Fat Cat Marker Lettering PosterSwap the Far Background for the Riyadh SkylineSwap the Far Background for the Riyadh SkylineFour Classic Emblems with Titles in SilhouetteFour Classic Emblems with Titles in SilhouetteLavender Dragon Asleep on a CloudLavender Dragon Asleep on a Cloud
All GPT Image 1.5 Cases All Nano Banana Cases
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