HappyHorse is a KIE video model family for text-to-video, image-to-video, reference-to-video, and source video editing workflows.

What durations does HappyHorse support?

HappyHorse supports integer output durations from 3 to 15 seconds, with 5 seconds as the default.

What resolutions and aspect ratios are available?

It supports 720p and 1080p output with 16:9, 9:16, 1:1, 4:3, and 3:4 aspect ratios.

Yes. The image-to-video workflow accepts one first-frame image and generates motion based on your prompt.

Yes. The video edit workflow accepts a source video URL and applies your edit prompt to generate a new result.

Credits are calculated per output second: 28 credits/s for 720p and 48 credits/s for 1080p.

HappyHorse - Fast AI Video Generation for Text, Images, and Video Editing