Models/Happy Horse 1.0

Happy Horse 1.0

Beta2 variants live

HappyHorse 1.0 is Alibaba's open-source AI video model — ranked #1 on global leaderboards for both text-to-video and image-to-video. Built on a 15B-parameter Transformer with native 1080p output, 50+ visual styles, and ~10s generation speed. Available now in the muapi playground on Pro and Business plans.

Closed playground beta

HappyHorse 1.0 is currently available only inside the muapi playground on the Pro and Business plans — API-key access opens in a later public release.

Beta · Pro/Business
T2V

HappyHorse 1.0 Text to Video

Generate native 1080p video from text prompts using HappyHorse 1.0's 15B-parameter Transformer. Ranked #1 on global AI video leaderboards with 50+ visual styles and ~10s generation speed.

1080p
Preview Model
Beta · Pro/Business
I2V

HappyHorse 1.0 Image to Video

Animate any still image with HappyHorse 1.0's open-source model. Ranked #1 for image-to-video on global benchmarks — fluid character motion, 1080p output, and ~10s generation.

1080p
Preview Model