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MODEL COMPARISON

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

The site has 24 and 697 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 Pro is better for Consistent characters across multiple reference images. 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 Pro

Consistent characters across multiple reference imagesIn-image text layout & renderingFollows long, structured prompts closelyFine-grained layout for e-commerce & infographics
Feel free to use structured formats (JSON, sectioned lists) when writing prompts — it parses hierarchical instructions much better than piles of short phrases. When text needs to appear in the image, write the exact wording in quotes.

GPT Image 1.5 Cases

Does This Calavera Face Paint Actually Hold UpDoes This Calavera Face Paint Actually Hold UpThis Shot's Strength Is Not Telling a StoryThis Shot's Strength Is Not Telling a StoryHalf a Face Fading Into NavyHalf a Face Fading Into NavyBeach Selfies — the Cat Learned FirstBeach Selfies — the Cat Learned FirstCables Wound Into a Streak of Violet-BlueCables Wound Into a Streak of Violet-BlueA Coffee Mug Tipped Over on a Dark TableA Coffee Mug Tipped Over on a Dark Table

Nano Banana Pro Cases

This Line-Art Pass Uses Negative Space More CleverlyThis Line-Art Pass Uses Negative Space More CleverlyEven a Guitar Fret Has Its Moment of Being Filed DownEven a Guitar Fret Has Its Moment of Being Filed DownNobody Can Say Where This Paint Is Going to RunNobody Can Say Where This Paint Is Going to RunWatch It for Two Seconds First — Then the Light on This Bottle ClicksWatch It for Two Seconds First — Then the Light on This Bottle ClicksA Warm Orange Bokeh Is This Rainy Night's AftertasteA Warm Orange Bokeh Is This Rainy Night's AftertasteOne Shadow Cuts the Face, Nothing Else Is NeededOne Shadow Cuts the Face, Nothing Else Is Needed
All GPT Image 1.5 Cases All Nano Banana Pro Cases
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