Newshot ByteDance's Volcano Engine Releases Seedance 2.5 flash Video Model: Twice the Generation Speed, Lower Price
IT Home, November 12 — ByteDance's Volcano Engine officially launched Seedance 2.5 flash today.
According to the company, this is the model whose results come closest to Seedance 2.5, with generation speed doubled and a lower price, offering a more cost-effective option for batch content production. Taking text-to-video and image-to-video at 720P resolution as an example, Seedance 2.5 flash costs about 0.99 yuan per second to generate, roughly 34% less than Seedance 2.5.
Seedance 2.5 flash supports generating videos up to 30 seconds long per clip, accepts up to 10 images, 5 videos and 5 audio clips per input, and offers two resolution tiers: 480P and 720P.
Starting today, Seedance 2.5 flash will roll out on platforms including Jimeng, LibTV, Updream, Creao AI and TapNow; the API will go live on Volcano Ark this Sunday (November 15).
According to the introduction, Seedance 2.5 flash outperforms the previous-generation flagship model Seedance 2.0 overall and is currently the model whose results come closest to Seedance 2.5. It maintains a high standard in instruction following, physical motion and audio performance, with natural, textured visuals; its excellent video editing capabilities let users flexibly adjust content expression and produce different creative versions.
To suit different usage scenarios, the Seedance 2.5 family currently offers two tiers: the flagship model and the flash model:
- The flagship model Seedance 2.5 represents the strongest intelligence available today, meeting higher demands for audiovisual quality and creative expression; combined with the Draft mode workflow of "pick a sample first, then generate the final cut," it can also reduce high-definition generation costs during repeated trial and error, serving 1080P and 4K high-resolution production.
- Seedance 2.5 flash delivers results close to the flagship, with faster generation and lower cost, offering a cost-effective option for high-frequency creation and batch content production.
IT Home attaches the differences between the two models below:
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