What is HappyHorse-1.0?

15B-parameter open-source text-to-video model topping Artificial Analysis leaderboards with native audio sync and 1080p output.

Who developed HappyHorse-1.0?

Zhang Di's Taotian Group Future Life Lab, spun from Alibaba's ATH-AI.

Clone the GitHub repo, one-click install — needs H100 or equivalent for fast inference.

🤖 AI Dev Tools

Blind votes don't lie. HappyHorse-1.0 just smashed records, leaving closed-source titans in the dust — and it's fully open-source.

theAIcatchup Apr 08, 2026 3 min read

HappyHorse-1.0 dominates Video Arena with 60+ Elo lead over Seedance 2.0 in blind tests. 𝕏
Fully open-source 15B Transformer with native audio-video fusion, runs on single H100 in 38s. 𝕏
Led by ex-Kling AI head Zhang Di at Taotian Lab — signals open-source surge in AI video. 𝕏

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#AI video generation #HappyHorse-1.0 #Taotian Group #open-source AI #text-to-video

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Originally reported by dev.to