Happy Horse

Open-source video generators are still a small group, and Happy Horse separates itself by producing sound and picture together.

Happy Horse is an AI video generator that turns text prompts or still images into cinematic clips.

Its current model, Happy Horse 1.0, does joint audio-video generation, so the audio is created with the footage rather than added afterward.

It also supports multilingual lip-sync and outputs 1080p video.

The idea is motion that holds up in production work.

Creative teams can use Happy Horse for concept validation, storyboard rough cuts and social media tests, where speed matters more than a polished final master.

Because the model is open source, you can inspect what you are building on instead of depending on a closed service.

The project points to benchmark results as proof of quality, and those are worth reading with some caution.