What was announced

ByteDance's Seed team has introduced Seedream 5.5, an image model positioned as a tool for professional production workflows.

Key claims

  • Stable multi-pass editing: The model is designed to keep pixels and colors from drifting across up to 100 editing rounds.
  • Native RGBA output: It can generate images with transparent backgrounds directly, which could reduce manual layer separation in design and production pipelines.
  • Realism claim: According to ByteDance, the model produces more realistic results than GPT-Image-2.5 Sunburst.

What's next

The company also plans a Pro version of the model. The announcement did not include pricing, availability dates or technical details.

Why it matters

The hard part of image models is not single-shot generation but keeping consistency across repeated edits to the same image. If Seedream 5.5's claim of 100 rounds without color drift holds up, it could make these models more practical in production settings such as advertising, e-commerce and design.