bytedance/seedance-2.0-fast/image-to-video34 积分起 / 5 秒视频· 图生视频Seedance 2.0 Fast 是字节跳动 Seedance 2.0 的速度档：文生视频、图生视频、参考场景和视频续写，4 到 15 秒，480p 或 720p，声音在同一次生成里完成。速度够快，选定之前可以先多试几个版本。
在 POST /jobs/createTask 里把模型名写成 bytedance/seedance-2.0-fast/image-to-video 即可调用，34 积分/ 5 秒视频起（US$0.34）。新账户送 30 积分，可以先在 Playground 里免费试。
- 生成视频
- 图生视频
- 参考生视频
- 视频续写
- 最高 720p
- 4–15 秒
- 自带声音
- 首尾帧
- 最多 9 张参考图
- 6 种画幅
用 Seedance 2.0 Fast · 图生视频 做的作品
真实的成果，附上生成它们的提示词和设置。打开一个就能看到请求，然后在 Playground 里自己运行。
Cast: one man and one woman. The camera stays on the two hands closing in from either side. The dominoes fall inward from both ends of the table and stop between two hands that are almost, but not quite, touching. Macro, very shallow depth of field. Cinematic, heavy film grain, warm tabletop light.
- 480p
- 3:4
- generate audio off
- 5s
A hand reaches into frame and flips the door sign from CLOSED to OPEN, then withdraws; steam drifts off the machine behind the glass and the street reflection keeps moving. Camera stays where it is.
- 720p
- 16:9
- generate audio on
- 6s
The bare room fills in: a rug unrolls, a sofa settles into place, lamps come on one after another and the late light warms across the wall. Locked camera throughout.
- 720p
- 16:9
- generate audio off
- 10s