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MODEL COMPARISON

Nano Banana vs Seedream 4.5：同一个需求该用哪个

站内两边分别有 29 组和 15 组可复现案例。下面从擅长场景、提示词写法到实际成图逐项对照。

一句话结论

Nano Banana 更适合Fast drafting & batch generation；Seedream 4.5 更适合In-image text and headline layout。同一个想法在两边各跑一次往往更划算——它们"听话的方式"不一样，提示词的写法也要跟着调。

擅长场景与写法对照

Nano Banana

Fast drafting & batch generationEveryday portraits & scenesLightweight edit commands
Good for exploring composition directions first, then switching to the Pro version for final polish. Keep prompts concise, with the key information up front.

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.

Nano Banana 的案例

That Ivory Suit Needs Toning Down in PrintThat Ivory Suit Needs Toning Down in PrintThis Bust's Edges Run a Little ColdThis Bust's Edges Run a Little ColdThat Mustache Really RhymesThat Mustache Really RhymesA White-Blouse Headshot That Stays RelaxedA White-Blouse Headshot That Stays RelaxedSunlight Cutting Into a Clean CaféSunlight Cutting Into a Clean CaféLeopard Fur Collar, Wrapped Against Alpine ColdLeopard Fur Collar, Wrapped Against Alpine Cold

Seedream 4.5 的案例

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
全部 Nano Banana 案例 全部 Seedream 4.5 案例
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