kling-4.0/flash-keyframe-to-video

Kling 4.0 Flash is the Flash model in the Kling 4.0 family, which Kling positions for faster generation and greater value. On ModelFold, the Kling 4.0 Flash API offers two models: Reference to Video, which accepts a prompt with optional reference images, elements, or reference videos, and Keyframe to Video, which generates a video from a single first-frame image. Both output 720p MP4 clips from 3 to 20 seconds.

定价： 720p 起 20.4 积分 / 秒（5 秒 102 积分），按输出秒数计。各分辨率见下方费率表。

在线试跑

表单已按模型规格预填 —— 可直接运行，也可先改任意字段。

可用

表单JSON

提示词

Animate @first_frame as one continuous shot: the ceramic artist gently shapes the clay bowl with both hands, soft window light, the camera slowly pushes in.

Video description

首帧

更换图片移除

时长3

Output video duration

分辨率

720P

画面比例

16:9

Output video aspect ratio. Only effects when the first frame is active.

余额： —预估预扣62 积分（生成前为预估，完成后显示实际扣除积分）

重置运行

结果

预览JSON

历史下载

该变体的示例输出 —— 点「运行」生成你自己的。

curl https://modelfold.ai/v1/videos/generations \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"kling-4.0/flash-keyframe-to-video","prompt":"...","resolution":"720p","duration":5}'