Happy Horse Video Models

We’ve added Alibaba Happy Horse to video generation with two new options designed for faster creative production and better subject consistency:

• Happy Horse: text-to-video and image-to-video
• Happy Horse Reference: reference-to-video using up to 9 reference images

Why This Matters

• More creative flexibility: start from a prompt or a first-frame image.
• Stronger consistency: keep subjects aligned across shots with reference images.
• Production-ready output: supports both 720p and 1080p across common aspect ratios.
• Short-form friendly: generate clips from 3 to 15 seconds.

What’s New

• New models available in the video model selector:
  • happy-horse
  • happy-horse-reference
• Support for:
  • Text-to-video
  • Image-to-video
  • Reference-to-video (1-9 images)
• Aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4
• Duration range: 3-15 seconds

Pricing

Pricing reflects upstream rates with our standard platform markup:

• 720p: $0.182 / second
• 1080p: $0.364 / second