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MODEL COMPARISON

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

The site has 254 and 21 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

An Astronomical Clock Opens Its Brass Mechanism on a Midnight Restoration BenchAn Astronomical Clock Opens Its Brass Mechanism on a Midnight Restoration BenchMorning Mist and Indigo Pulp Fill a Quiet Handmade-Paper Workshop at DawnMorning Mist and Indigo Pulp Fill a Quiet Handmade-Paper Workshop at DawnBeside a Rainy Library Window, a Quiet Profile Keeps a Little DistanceBeside a Rainy Library Window, a Quiet Profile Keeps a Little DistanceAmber Lacquer Slowly Brings a Wooden Phoenix's Feathers Into the LightAmber Lacquer Slowly Brings a Wooden Phoenix's Feathers Into the LightA Colossal Archive Stairway Leads Upward Into the Thin Mist of DawnA Colossal Archive Stairway Leads Upward Into the Thin Mist of DawnRain Falls on Kyoto While a Tea Map Waits Inside the Wooden WindowRain Falls on Kyoto While a Tea Map Waits Inside the Wooden Window

Seedream 4.0 Cases

This 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 FoamA Tiny Train Rides Into Layer CakeA Tiny Train Rides Into Layer Cake
All GPT Image 2.5 Cases All Seedream 4.0 Cases
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