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MODEL COMPARISON

GPT Image 1.5 vs Seedream 4.5: Which One Should You Use

The site has 24 and 15 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; Seedream 4.5 is better for In-image text and headline layout. 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.

Seedream 4.5

In-image text and headline layoutHolding subject, light and tone through editsFast batch generationE-commerce and poster layouts
When text must appear in the picture, quote the exact wording and specify position, size and weight. Phrase edit instructions as "keep A, replace only B" for the most reliable result.

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

Seedream 4.5 Cases

That Polo Collar Holds Its Shape Just RightThat Polo Collar Holds Its Shape Just RightFace Locked, Everything Else RepaintedFace Locked, Everything Else RepaintedThis Mirror Reflects a Different WorldThis Mirror Reflects a Different WorldThis Sunset Is Doing the Job of a Key LightThis Sunset Is Doing the Job of a Key LightAn Alley Where the Light Grows Out of SignageAn Alley Where the Light Grows Out of SignageHalf Skin, Half WireframeHalf Skin, Half Wireframe
All GPT Image 1.5 Cases All Seedream 4.5 Cases
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