# Seedance 2.0 Generate high-quality video from text, images, video clips, and audio — all in one pass with synchronized sound. Seedance 2.0 is ByteDance's next-generation video model, built on a unified multimodal architecture that accepts mixed inputs and produces coherent, audio-synced output. ## What's new in 2.0 Seedance 2.0 is a significant upgrade from 1.5 Pro: - **Multimodal reference inputs** — combine up to 9 images, 3 video clips, and 3 audio files in a single generation. Reference them in your prompt as [Image1], [Video1], [Audio1], etc. - **Better motion and physics** — more realistic rendering of complex interactions like sports, dancing, and object collisions. - **Video editing and extension** — modify existing videos or extend them by providing a reference video and describing what should happen next. - **Intelligent duration** — set duration to -1 and let the model pick the best length for the content. - **Adaptive aspect ratio** — set aspect ratio to "
