# ByteDance Launches Lightweight Video Generation Model Seedance 2.5 Flash

- Category: Flash (快讯)
- Published: 2026-11-12T11:56:00.000Z
- Source date: 2026-11-12
- HTML: https://www.88z.ai/en/news/flash-20261112-2c112e4a2f83f1b8
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ByteDance has launched Seedance 2.5 flash, a lightweight video generation model that doubles generation speed while maintaining quality close to the flagship version and significantly reducing costs. It supports multimodal inputs and longer video generation, and is now rolling out on platforms such as Jimeng and LibTV.

## At a glance

- Generation speed doubled with prices cut by approximately 34%
- Supports 30-second videos and multimodal material inputs

## The update

ByteDance has officially launched the Seedance 2.5 flash video generation model. This model delivers visual effects comparable to the flagship Seedance 2.5 while doubling generation speed. Regarding pricing, the cost for 720P text-to-video or image-to-video generation is approximately 0.99 yuan per second, representing a price reduction of about 34%. In terms of features, Seedance 2.5 flash supports single video segments up to 30 seconds long and allows users to input 10 images, 5 video clips, and 5 audio tracks as materials. The model offers two resolution options: 480P and 720P. Currently, the model is gradually becoming available on platforms such as Jimeng and LibTV.

## Sources

- [火山引擎](https://mp.weixin.qq.com/s/lTZS2oV6BuORvK_Shgb-Ag) (2026-11-12)

This article is an AI-assisted synthesis by 88Z AI based on the public sources below. Product claims and availability are attributed to their publishers. It does not represent independent testing or first-hand reporting.