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Empty dance floor fills to a packed mirror-ball crowd

Task
Image to video
Resolution
1080p
Duration
10 s
Aspect ratio
3:4

Output

An empty wooden dance floor under a mirror ball fills with a dense crowd of dancers, couples dancing close in the sparkling light

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Input

  • Input image
    image_url
  • Input image
    last_image_url

Swap in your own when you run it.

PromptEN444 characters

Cast: a mixed crowd of men and women of different ages and skin tones. The camera stays on one couple while the room fills around them. Start on an empty dance floor and end on the supplied final frame: the room full, bodies close together, the mirror ball scattering light over all of them. By the final frame they are dancing close, the mirror-ball light catching their shoulders. Cinematic, heavy film grain, mirror-ball silver and club red.

Written in English, exactly as we sent it.

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Checking the price…

Opens the playground with every setting filled in and shows the exact price before you run.

Same model, starting from this prompt. Other settings use their defaults.

Why this prompt works

The clip starts empty and has to end full, and `last_image_url` is what makes that safe to ask for: the final frame is fixed in advance, so the model is inventing how a room fills, not what it fills up to. Everything accumulating in between — bodies, light, noise — is left to the prompt. Approve the landing frame as a still first and the long middle becomes far cheaper to iterate on.

Settings used

SettingValueWhat it does
resolution1080p480p, 720p or 1080p. Defaults to 720p. Resolution changes both the price and how long the task takes to come back.
aspect_ratio3:416:9, 9:16, 1:1, 4:3, 3:4 or adaptive, which lets the model choose. Omit it to inherit the opening frame's shape; a conflicting value crops.
generate_audiofalseOn by default. The clip comes back with sound already locked to the picture. Set false when you are scoring the shot yourself.
duration_seconds10Any whole number from 2 to 30, or -1 for smart duration, where the model picks the length: the 30-second maximum is held up front and the charge settles on the length actually delivered. Defaults to 5. Longer clips drift more, so settle the look at 5 seconds before extending.