ByteDance Seedream 5.5: what's new (November 9, 2026)
ByteDance Seed introduced Seedream 5.5, an image model with more stable multi-turn editing across 100 rounds, native RGBA output including transparency, and more realistic images and text rendering. Evaluation scores on the post are vendor-reported.
Who it is for
Creative teams editing images across many rounds and exporting assets with transparent backgrounds.