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HappyHorse

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HappyHorse-1.0: Open-Source AI Video Generator Tops Global Leaderboard

April 12, 2026 · 6 min read

HappyHorse-1.0, a free open-source 15B model, topped the Artificial Analysis Video Arena beating Seedance 2.0 by 60 Elo. Generates 1080p video with audio in 38 seconds.