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KuaishouVideo

Kling Video to Audio

Sound effects that match the action, added to a silent clip.

video/kling-video-to-audio
Try it in StudioUse with your agent or API

Kling Video to Audio

Video

Price
3.5 credits / second
Typical time
about 39 s
Makes
Video to video

Best for

Kling Video to Audio watches a 3 to 20 second clip and adds sound effects that follow the action, for a flat price per clip.

  • Cut scene: render the clip with Kling 4.0, then add sound with this.
  • Sound on gameplay captures for a trailer edit.
  • Many short clips at a flat price each.

Put it together

Where Kling Video to Audio fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Video to videoKling Video to Audio3.5 credits / second

Paid from your Summer credits.

Use it from code or your agent

Sign in once with summer login. Your agent or your code then runs it with your paid credits.

npx -y summer-engine@latest login
npx -y summer-engine@latest api run video/kling-video-to-audio \
  --input '{"prompt":"a dragon circling a castle at dawn"}' \
  --download .

video/kling-video-to-audio: $0.035 per clip. Paid from your Summer credits.

Inputs

What input takes for video/kling-video-to-audio. Send only what you need; Summer fills in tested defaults.

  • promptstringup to 4000 characters

    What happens in the clip. Needed without imageUrl.

  • videoUrlstringup to 2048 characters

    An input clip (public URL, at most 20 s): restyle or reframe it, move a character with its motion, or add sound to it (e.g. kling-video-to-audio). Billed on the clip's length.

  • aspectRatioenumDefault 16:9
    • 16:9
    • 9:16
    • 1:1
    • 4:3
    • 3:4
    • 21:9
    • 3:2
    • 2:3
    • auto
  • resolutionenum

    Only a quality the model offers; leave out for its default.

    • 720p
    • 1080p
    • 4k
    • 480p
    • 768p
    • 2k
    • 768P
    • 1080P
    • 480P

Model docs · Summer API docs · Set up the Summer MCP server · Try it in the browser

Questions

What is Kling Video to Audio good for in game development?
Kling Video to Audio watches a 3 to 20 second clip and adds sound effects that follow the action, for a flat price per clip. Typical game uses: cut scene: render the clip with Kling 4.0, then add sound with this; sound on gameplay captures for a trailer edit; many short clips at a flat price each.
How much does Kling Video to Audio cost in Summer?
Kling Video to Audio costs 3.5 credits / second in Summer Studio. It is charged from your Summer credits.
What can Kling Video to Audio generate, and how long are the clips?
In Summer, Kling Video to Audio supports video to video. Video-to-video and motion-transfer results follow the length of your source clip.
Can I use Kling Video to Audio from Claude Code, Cursor or Codex?
Not yet. Kling Video to Audio runs in Summer Studio today. The Summer MCP server gives your agent summer_generate_video with its own model list, which does not include Kling Video to Audio yet. See summerengine.com/mcp for setup.
Where do Kling Video to Audio results go?
Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.