ByteDance is rolling out Seedream 5.5, its new image generation model, across Dreamina, CapCut, BytePlus, Doubao and Volcano Engine Ark. Developed by the Seed team and launched on November 9, 2026, it supports up to 100 rounds of continuous local editing while preserving details and colors more consistently. The model also adds RGBA transparency, improved photorealism and more accurate text rendering, with reported severe and minor corruption rates of 0.4% and 1.7%. Preliminary tests give it a 55.62% higher GSB preference score than Seedream 5.0 Pro for image-to-image realism, while a 2K edit costs approximately 0.28 RMB.
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