Kling 4.0 · Reference to Video

Input parameters

• Prompt Required

  Describe the video. Mention uploads as @image_1, @image_2 and @video_1, @video_2 in upload order. With no uploads this is a text-to-video clip.

• Reference images

  Reference images. Up to 10 files, 30MB each. Mention them as @image_1, @image_2, in this order. Each side 300–65536 px.

• Reference videos Affects credits

  Reference videos. MP4 or MOV, up to 5 files, 200MB each. 2–30s each. Mention them as @video_1, @video_2, in this order.

• Aspect Ratio Required

  Aspect ratio of the generated video. Auto follows your uploads, or 16:9 when there are none.

  auto16:99:161:121:9

  Default: auto

• Resolution Required Affects credits

  720p is faster; 1080p is higher quality.

  720p1080p

  Default: 720p

• Duration Required Affects credits

  Video length in seconds (3-30).

  3456789101112131415161718192021222324252627282930

  Default: 5

• Keep original sound

  Keep the audio from the reference videos. Applies only when a reference video is uploaded.

  Default: false