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  • Model alibaba/happyhorse-1.0/image-to-video
  • Provider alibaba
  • Type image-to-video
  • Description Alibaba Happy Horse 1.0 (Image-to-Video) animates a reference image into a cinematic 720p / 1080p video, optionally guided by a text prompt. Smooth camera movement and expressive, stable motion.

Model rating & notes

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Build request

prompt required
string
Optional text prompt guiding the animation. Max 2500 characters.
image required
string
URL of the first-frame image. JPEG / PNG / BMP / WEBP. Min dimension 300px. Aspect ratio between 1:2.5 and 2.5:1. Max 10 MB.
Copy/paste, upload, or drag/drop directly in this input area.
Status: idle
resolution optional
string
Output video resolution.
duration optional
integer
Video length in seconds (3-15).
Default: 5
Bounds: { "minimum": 3, "maximum": 15 }
seed optional
integer
Random seed for reproducibility.
Reset form
Expected cost: Unknown

 

README

Alibaba Happy Horse 1.0 Image-to-Video

Happy Horse 1.0 Image-to-Video animates a reference image into a cinematic 720p / 1080p video, with optional text guidance for the motion. Strong subject preservation, smooth camera movement, and expressive motion.

Key Features

  • Image-faithful generation — Preserves the reference image's subject, composition, and style while adding motion.
  • Optional prompt guidance — Direct the camera, mood, and action in plain language.
  • Cinematic motion — Smooth, expressive movement and stable subjects.
  • Production-ready API — REST inference, no cold starts.

Parameters

ParameterRequiredDescription
imageYesFirst-frame image URL. JPEG / PNG / BMP / WEBP. Min dimension 300 px. Aspect ratio 1:2.5 to 2.5:1. Max 10 MB.
promptNoOptional text prompt guiding the animation (max 2500 characters).
resolutionNo720p (default) or 1080p.
durationNoVideo length in seconds (3-15, default 5).
seedNoRandom seed for reproducibility (0-2147483647).

Pricing

ResolutionPer second
720p22 credits
1080p43 credits

Examples (5s):

ResolutionCost
720p95 credits
1080p165 credits

Examples (10s):

ResolutionCost
720p165 credits
1080p308 credits

Notes

  • Pricing scales linearly with duration (3-15 s).
  • 1080p is 2× the 720p rate.
  • Aspect ratio of the output video matches the reference image automatically.

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