Seedream 5.5 tested: identity intact after 20 edit rounds, 700-word poster with zero typos
AlchainHust · x · 2026-11-10
ByteDance released Seedream 5.5 with multi-turn editing: untouched areas stay pixel-identical, and one image can be edited for up to a hundred rounds. A hands-on test edited a café portrait 20 consecutive times (10 changes then reverting each) — the moon earring, wrist mole, and badge stayed in place, with SSIM between before/after frames at 0.983–0.995; only background street details drifted slightly.
Complex posters improved too: a 700+ character route-map poster had zero typos on character-by-character check. It can also output images with alpha channels natively, no cutouts needed. The article ends with a GIF sticker tutorial using the model.
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