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MODEL COMPARISON

GPT Image 1.5 vs GPT Image 2.5: Which One Should You Use

The site has 24 and 278 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; GPT Image 2.5 is better for Executing long paragraph-length scene descriptions. 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.

GPT Image 2.5

Executing long paragraph-length scene descriptionsFine gradation in materials and lightingStable letterforms for in-image text and layoutProduct and still-life texture fidelity
Split the frame into four blocks - subject, environment, light, camera - and write each separately; that works far better than piling on style words. It is also more reliable than the previous version at local edits phrased as "change only this one thing, leave the rest alone".

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

GPT Image 2.5 Cases

Silver-Gray Creeks Branch Through the Salt MarshSilver-Gray Creeks Branch Through the Salt MarshA Rainy Bookshop Kept in Prussian BlueA Rainy Bookshop Kept in Prussian BlueA Felt Otter Holds Its Little River StoneA Felt Otter Holds Its Little River StoneA Small Canyon in a Purple Cabbage CutA Small Canyon in a Purple Cabbage CutOne Pear Lets Light Through, One Keeps Its YellowOne Pear Lets Light Through, One Keeps Its YellowRainwater and Eight-Point Stars in a Tiled CourtyardRainwater and Eight-Point Stars in a Tiled Courtyard
All GPT Image 1.5 Cases All GPT Image 2.5 Cases
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