Seedream 5.5 (limited rollout)
ByteDance introduced Seedream 5.5, an image-generation model with improved multi-turn editing, native transparent-background output, and more realistic visuals and text rendering. The company says it is rolling out across Jimeng, Doubao, Doubao Work, and the Volcano Ark experience center.
For buildersCompare a short series of edits against your current image workflow, checking whether unchanged regions stay stable and whether transparent output fits your production pipeline.