Seedream 4.0 is a next-generation multimodal AI image generator and editor that delivers ultra-fast 2K image generation in approximately 1.8 seconds, precise text-to-image creation, advanced image editing, and professional-grade creative tools. It uses a Mixture of Experts (MoE) architecture to optimize real-time creative workflows. Key features include blazing-fast 2K image generation, integrated multi-modal platform (text-to-image, editing, enhancement), advanced multi-reference processing (up to 6 reference images, up to 9 simultaneous images), revolutionary batch generation technology, and native bilingual support for English and Chinese. The platform is designed for creators, designers, and content producers who need speed, precision, and versatility in visual content creation.