Seedream 4.0
A new-generation image creation model from ByteDance
Seedream 4.0 launched on September 10, 2025 with 259 votes, #104 of 8,160 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
Seedream 4.0 is an image creation model from ByteDance that generates and edits images using a unified architecture. It processes complex multimodal tasks including knowledge-based prompts, reasoning, and reference consistency while producing 4K images with fast inference speeds. The tool is designed for users who need both image generation and editing capabilities in a single platform, suitable for photography and creative work.
written from the facts on this page · September 2026
From the sources
Next‑gen image creation model unifying generation and editing in one architecture. It handles complex multimodal tasks (knowledge-based prompts, reasoning, and reference consistency) while delivering stunning 4K images with dramatically faster inference.
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