Event date · · ByteDance

Reportedly: ByteDance Volcano Engine releases Seedance 2.5 flash video model: generation speed doubled, price lower

Reported by IT Home · not yet confirmed by the company or a second independent outlet. We update this page when it is.

REPORTED

ByteDance Volcano Engine released Seedance 2.5 flash, a video generation model with doubled speed and lower price. It costs about 0.99 yuan/second for 720P text-to-video and image-to-video, about 34% less than Seedance 2.5. API launches on Volcano Ark on November 15, IT Home reported.

China context

Original name
字节跳动
Outside China
Not stated in the sources yet
Claims
Company-reported; not yet independently evaluated
For builders
Developers can access the API on Volcano Ark from November 15, 2026, to integrate faster and cheaper video generation into their applications.
For investors
The price reduction and speed improvement may intensify competition in the video generation market, potentially affecting the pricing power and market share of other providers.

Translated from Chinese. Quotes and facts link to the original sources.

What happened

ByteDance Volcano Engine officially launched Seedance 2.5 flash on November 12, 2026. The model is described as the closest in effect to Seedance 2.5, with generation speed doubled and lower price, providing a more cost-effective option for batch content production. At 720P resolution, text-to-video and image-to-video generation costs about 0.99 yuan per second, about 34% lower than Seedance 2.5. Seedance 2.5 flash supports up to 30 seconds of video generation per segment, with a maximum input of 10 images, 5 video segments, and 5 audio segments, and offers 480P and 720P resolutions. The model will be gradually available on platforms such as Jimeng, LibTV, Updream, Creao AI, and TapNow, and the API will be launched on Volcano Ark on November 15. The company states that Seedance 2.5 flash overall outperforms the previous flagship model Seedance 2.0 and is the closest to Seedance 2.5 in effect, maintaining high standards in instruction following, physical motion, and audio performance, with excellent video editing capabilities.

Technical significance

Seedance 2.5 flash supports up to 30 seconds of video generation per segment, with a maximum input of 10 images, 5 video segments, and 5 audio segments, and offers 480P and 720P resolutions. The model is positioned as a faster, lower-cost alternative to the flagship Seedance 2.5, with generation speed doubled and price reduced by about 34% for 720P generation.

Industry impact

ByteDance's Seedance 2.5 flash lowers the cost of high-quality video generation for content creators and businesses, making batch production more affordable and potentially pressuring competitors to match pricing and speed.

Decision value

Seedance 2.5 flash offers a more cost-effective option for high-frequency creation and batch content production, with a price of about 0.99 yuan per second for 720P generation, which is about 34% lower than Seedance 2.5.

What to watch

The API launch on November 15 will be a key signal for developer adoption. Observing whether the model's performance in real-world applications matches the company's claims of being close to Seedance 2.5 will be important.

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