Happy Horse-1.0 AI

Happy Horse-1.0 is a state-of-the-art open-source AI video generator built on a 15B-parameter unified Transformer architecture, turning text prompts or images into high-quality videos with impressive consistency and detail.

What sets Happy Horse-1.0 apart is its native joint audio-video synthesis: in a single pass, it generates perfectly synchronized dialogue, ambient sounds, and foley effects—so you no longer have to match separate audio tracks to your visuals by hand.

Speed is another highlight. Thanks to DMD-2 distillation, Happy Horse-1.0 delivers remarkably fast inference, producing 1080p videos in approximately 38 seconds and letting you iterate on creative ideas without long waits.

It also offers industry-leading lip-sync support for seven languages, making Happy Horse-1.0 a powerful tool for global content creation, marketing campaigns, and filmmaking workflows.