Bytedance launches Seedream 5.5 image model

It supports up to 100 rounds of stable editing with pixel-level consistency and no color drift. The model outputs native RGBA images with transparent backgrounds, enabling direct use in design. It delivers more realistic rendering of light, materials, and skin textures, with improved accuracy on dense small text. Performance surpasses GPT-Image-2.5 Sunburst in realism and text structure. Available via Jimeng, Doubao, Doubao Work, and Volcengine Ark, with a Pro version planned.

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