What is Seedance 2.5?
Seedance 2.5 is ByteDance Seed’s next-generation video creation model built for one-take generation, flexible referencing, long-form storytelling, and more controllable editing. The model expands single-pass generation from 15 seconds to 30 seconds and supports multi-round extensions for producing longer videos. Seedance 2.5 can organize multiple connected shots within a single output, allowing a story to develop through setup, progression, turning points, and resolution. It improves shot transitions, scene changes, camera movement, motion quality, image detail, audio quality, and audiovisual synchronization. The model can use up to 30 images, 10 video clips, and 10 audio clips as reference materials in one pass. These multimodal references help it understand composition, scene design, style, characters, props, motion, voices, camera blocking, and creative intent. Seedance 2.5 also strengthens clay render referencing, motion referencing, and creative referencing for complex scenes that require precise spatial structure, subject movement, lighting, and shot control. Its timestamp-level editing lets users control narrative rhythm, camera perspective, movement, and specific audio-video details within defined time ranges. Advanced editing features include green screen replacement, camera perspective adjustment, and reference-based edits that preserve continuity and realism. The model is also being positioned for real-world uses in education, manufacturing, embodied intelligence, autonomous driving, industrial simulation, training videos, and synthetic data generation. By combining 30-second generation, multi-round extension, multimodal references, cinematic realism, timestamp editing, clay render control, and professional video workflows, Seedance 2.5 helps users create more complete and controllable AI-generated video productions.
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