Seedance 2.5 Image to Video runcomfy.com · Seedance 2.5 Image to Video · GitHub ByteDance Seedance 2.5 Image to Video (720p) turns one still image into a 4–30 second cinematic clip with optional synchronized native audio, hosted on the RunComfy Model API . The output aspect ratio follows your input image. When to pick this model (vs siblings) This page is the single-image path . It has no aspect-ratio control and no multi-reference input — you give it one image and a motion prompt, and it animates that frame. That narrowness is the point: nothing competes with the source still for identity, w…