Happy Horse AI

Happy Horse AI

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Introduction
Free AI video generator powered by the Happy Horse 1.0 model, creating cinematic multi-shot videos with native audio from text or image prompts.
Listed on
July 24, 2026

What is Happy Horse AI?

Happy Horse AI is a free AI video generator powered by the Happy Horse 1.0 model, a single self-attention Transformer that jointly generates video and audio from text or image prompts. It produces cinematic multi-shot videos with synchronized audio and lip-sync, and is designed to be fast, multilingual, and fully open source.

How to use Happy Horse AI?

  • To use Happy Horse AI, start by writing a clear prompt describing your vision, optionally adding reference images for style. Then generate and refine the video, adjusting framing or style as needed. Finally, preview and download the high-definition output for sharing on social media, ads, or presentations.

Core features of Happy Horse AI

  • Unified token architecture for joint text, video, and audio generation
  • Image-conditioned generation preserving identity and style
  • Up to 15-second multi-shot video output with consistent characters and lighting
  • SOTA benchmark performance with fast inference on H100 GPUs
  • Multilingual and fully open source
  • Text-to-video and image-to-video capabilities
  • Native audio and lip-sync generation

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