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MODEL COMPARISON

Seedream 4.5 vs Z-Image Turbo: Which One Should You Use

The site has 15 and 3 reproducible cases for each, respectively. Below, we compare strengths, prompt writing, and final results side by side.

The Bottom Line

Seedream 4.5 is better for In-image text and headline layout; Z-Image Turbo is better for Bilingual Chinese-English text rendering. 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

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.

Z-Image Turbo

Bilingual Chinese-English text renderingPhotoreal portraits and scenesExtremely fast generationReliable instruction following
With so few sampling steps, specificity pays. Put the frame and the subject's position at the very front and the style description after, or it will treat the style as the subject.

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

Z-Image Turbo Cases

This Smoke Wraps Tight and Sells the ScareThis Smoke Wraps Tight and Sells the ScareA Claw Joins the Hand at the Writing DeskA Claw Joins the Hand at the Writing DeskPut This in a Product Shot and Watch the CTR ClimbPut This in a Product Shot and Watch the CTR Climb
All Seedream 4.5 Cases All Z-Image Turbo Cases
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