Seedream 4.0 (seed.bytedance.com)

Seedream 4.0 is a cutting-edge image creation model that unifies image generation and editing within a single architecture, enabling it to seamlessly tackle complex multimodal tasks such as knowledge-based generation, intricate reasoning, and maintaining reference consistency. Notably faster than its predecessor, it delivers stunning, high-definition images up to 4K resolution, making it a versatile tool for both creative and technical applications in AI-driven visual content creation. The model demonstrates impressive flexibility, handling a wide array of user instructions—from object replacement and text alteration in images to creating detailed scene compositions and designing thematic graphics. Its ability to preserve stylistic elements such as color schemes and fonts while editing highlights advanced contextual understanding. Seedream 4.0 also excels in technical illustrations, including generating educational diagrams and complex visualizations, bridging artistic and academic use cases. In benchmark comparisons, Seedream 4.0 scores highly on prompt adherence, aesthetic quality, and text rendering, outperforming peers in both text-to-image generation and single-image editing tasks. Its top ranking in internal Elo evaluations emphasizes its balanced performance in creative alignment and fidelity to source images, marking a significant advancement for AI models that integrate content creation and editing, and setting a new standard for multimodal visual AI systems.