Question 1

What is HappyHorse?

Accepted Answer

HappyHorse is the #1 ranked open-source AI video generation model. Built on a unified Transformer architecture, it generates cinema-quality 1080p video with synchronized audio in a single forward pass from text prompts, images, or reference images.

Question 2

Is HappyHorse free to use?

Accepted Answer

Yes. HappyHorse offers a free tier with a generous daily generation quota. Paid plans are available for heavier usage. Since HappyHorse is open-source, you can also self-host with zero fees.

Question 3

How does HappyHorse compare to Sora and Kling?

Accepted Answer

HappyHorse holds the #1 position on the Artificial Analysis Video Leaderboard, outperforming Seedance, Kling, Runway, and Sora in blind user preference tests for both text-to-video and image-to-video.

Question 4

What languages does HappyHorse lip-sync support?

Accepted Answer

HappyHorse supports multilingual lip-sync in 7 languages: English, Mandarin Chinese, Cantonese, Japanese, Korean, German, and French.

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