15-round editing test: Seedream 5.5 holds scenes far better than GPT Image

kimmonismus · x · 2026-11-12

The author ran the same 15 sequential edits through GPT Image 2.5 Sunburst and Seedream 5.5, with each round building on the model's own previous output: red coat, brass lantern, new subtitle, then the moon became Earth, a burning sun, ice, copper and gold, until a watchmaker carries the sphere away.

Both kept the headline text intact, but by round 10 the GPT version had drifted orange and over-sharpened, while Seedream 5.5 still resembled the original room.

BytePlus sells Seedream at about $0.02 per image in its image packs — the author argues that price plus consistency is what makes it compelling for revision-heavy workflows.

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