ByteDance Unveils Seedream 5.5 With Multi-Round Editing and Native Transparency

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ByteDance announced Seedream 5.5 on November 9, 2026, focusing on more stable iterative image editing, native transparent assets, and better realism and small-text rendering. The company says it preserves unedited regions across successive edits and demonstrated 100 consecutive edits to a single image. It reports alpha-channel transparency support for reusable assets like product graphics and stickers, which developers should verify by compositing over varied backgrounds. ByteDance cites low text-corruption rates on its own evaluation set and gains over Seedream 5.0 Pro across e-commerce, film, gaming, and fashion categories. The article notes these figures come from the publisher and are not independent benchmarks, and it advises developers to check pricing and model identifiers in official documentation.

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ProgrammingDEV Community ·

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