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MODEL COMPARISON

GPT Image 2.5 vs Seedream 4.0: Which One Should You Use

The site has 1707 and 22 reproducible cases for each, respectively. Below, we compare strengths, prompt writing, and final results side by side.

The Bottom Line

GPT Image 2.5 is better for Executing long paragraph-length scene descriptions; Seedream 4.0 is better for Native Chinese prompt comprehension. 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 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".

Seedream 4.0

Native Chinese prompt comprehensionProduct and still-life photographyEveryday scenes and festive subjectsSteady composition and color
Write in Chinese directly. Naming concrete materials and light directions (frosted glass, side backlight, linen weave) works far better than adjectives like "premium feel".

GPT Image 2.5 Cases

A Lone Lantern Warms an Outdoor Hot Spring in Falling SnowA Lone Lantern Warms an Outdoor Hot Spring in Falling SnowA Little Brass Dragon on an Old Watchmaker’s BenchA Little Brass Dragon on an Old Watchmaker’s BenchA Grey Heron in Ink and Watercolor Tattoo FlashA Grey Heron in Ink and Watercolor Tattoo FlashSix Woodland Mushrooms Painted as Delicate Watercolor Clipart on WhiteSix Woodland Mushrooms Painted as Delicate Watercolor Clipart on WhiteAn Amber Sunset Glows on a Dark Music Player InterfaceAn Amber Sunset Glows on a Dark Music Player InterfaceBrass Telescope by the Attic WindowBrass Telescope by the Attic Window

Seedream 4.0 Cases

Bony Fingers on a Violin, Purple Smoke Through the TreesBony Fingers on a Violin, Purple Smoke Through the TreesThis Red Mug Basically Matches His CoatThis Red Mug Basically Matches His CoatEven Santa Has a Shift That DayEven Santa Has a Shift That DayThis Egg-Growing Plant Is Kind of UnsettlingThis Egg-Growing Plant Is Kind of UnsettlingThis 2026 Doorway Is Having a Good DayThis 2026 Doorway Is Having a Good DayThe Letters H and I, Made of FoamThe Letters H and I, Made of Foam
All GPT Image 2.5 Cases All Seedream 4.0 Cases
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