Seedream 4.0

byByteDance

Seedream 4.0 is ByteDance’s next-generation AI image-generation and editing model that unifies text-to-image synthesis, image editing, and multi-image composition in a single architecture. It delivers high-fidelity visuals up to 4K resolution with fast generation speeds and strong consistency across outputs, making it capable of producing polished product shots, cinematic visuals, and creative sequences with minimal artifacts. The model excels at handling complex prompts, multi-image references, and detailed scene layouts while preserving character, lighting, and texture coherence, positioning it as a professional-grade tool for designers, marketers, and studios alike.