ByteDance's Volcano Engine has officially launched the Seedance 2.5 Flash model. Delivering performance closest to that of Seedance 2.5, it doubles generation speed while cutting prices by roughly 34%. At 720P resolution, generation costs about 0.99 yuan per second. The model supports video generation of up to 30 seconds per segment and accepts up to 10 images, 5 videos, and 5 audio clips as input at a time. It offers two resolution tiers—480P and 720P—and outperforms the previous-generation flagship, Seedance 2.0, across the board. It excels in instruction following, physical motion, and audio performance, and also boasts strong video editing capabilities. The product will roll out across multiple platforms starting today, with the API going live on Volcano Ark on November 15. The Seedance 2.5 family now comprises two tiers—the flagship model and the Flash model—catering respectively to high-resolution production scenarios demanding high audiovisual quality and to cost-sensitive scenarios requiring high-frequency creation and batch content production.