Seedance 2.0 Fast
Seedance 2.0 Fast is ByteDance Seed's speed-optimized tier of Seedance 2.0, updated in April 2026. It runs the same operations as the standard tier: generate from a prompt, animate a still, edit footage you already have, or extend a take. Sound is generated with the picture.
Generate can take reference stills, clips, and audio. Edit takes the footage you already have, plus optional reference stills and audio, so a face or a product can stay consistent while the camera moves. Clips run from 4 to 15 seconds, with output at 480p and 720p on the fast tier. Aspect ratios include 16:9, 9:16, and 21:9.
What it's good for
Prompt iteration and bulk previews where speed matters more than maximum quality. When a fast draft lands, the same prompt format works on the standard tier for delivery. It is a video model, not a talking-avatar tool and not a stills generator.