Seedream 4.0

Seedream 4.0 is an advanced AI image editor and generator powered by ByteDance's cutting-edge technology, built for creators and enterprises who need both speed and uncompromising quality. It delivers ultra-fast 1.8-second generation for 2K resolution images with support for up to 4K, meaning you spend less time waiting and more time creating. Text-to-image generation and image editing are unified in a single model, streamlining the creative workflow without switching between tools. Seedream 4.0 also introduces batch generation — creating up to 9 perfectly consistent matching images simultaneously — and multi-reference processing that supports up to 6 reference images for precision editing. Add in exceptional character consistency, natural language understanding for complex editing instructions, and advanced style transfer, and Seedream 4.0 becomes the professional AI image suite that handles both high-volume production and intricate creative work.