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MODEL COMPARISON

HiDream I1 vs Seedream 4.5: Which One Should You Use

The site has 4 and 19 reproducible cases for each, respectively. Below, we compare strengths, prompt writing, and final results side by side.

The Bottom Line

HiDream I1 is better for Photoreal and illustration alike; 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

HiDream I1

Photoreal and illustration alikeFast generationOpen-source, self-hostable and tunableConcept boards and batch drafts
It reads structured descriptions well — write subject, environment, lighting and style as separate clauses. Keep style words to two or three; stack more and they fight each other.

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.

HiDream I1 Cases

These Cat-Eye Frames Get the Proportions RightThese Cat-Eye Frames Get the Proportions RightThe Volcano Painting That Spilled Into the Living RoomThe Volcano Painting That Spilled Into the Living RoomNothing But the Tiara, on WhiteNothing But the Tiara, on WhiteThe Pizza Walking Its Stroller Across the CrosswalkThe Pizza Walking Its Stroller Across the Crosswalk

Seedream 4.5 Cases

Scaled-Tail Hoop Acrobat in a Circus TentScaled-Tail Hoop Acrobat in a Circus TentGold Foil on Ivory for a Black Perfume Bottle LabelGold Foil on Ivory for a Black Perfume Bottle LabelPerched on a Translucent Jellyfish, Her Gown Glows TooPerched on a Translucent Jellyfish, Her Gown Glows TooPaper's Not Done, but This Face Took a Selfie FirstPaper's Not Done, but This Face Took a Selfie FirstThat Polo Collar Holds Its Shape Just RightThat Polo Collar Holds Its Shape Just RightFace Locked, Everything Else RepaintedFace Locked, Everything Else Repainted
All HiDream I1 Cases All Seedream 4.5 Cases
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