ByteDance Launches Seedance 2.5 4K, Delivering Native 4K Video Generation for Professional Film Studios

ByteDance's Volcengine unveiled Seedance 2.5 4K on October 23, bringing native 4K resolution (3840×2160) and 10-bit color depth to its AI video generation platform, targeting professional film and television production. The model generates up to 30-second clips at full 4K quality while accepting up to 50 multimodal reference inputs—images, video clips, audio, and 3D assets—to maintain character and scene consistency across productions.