HappyHorse-1.0 Crowned #1 Open-Source AI Video Generator, Tops Artificial Analysis Global Leaderboard
trinidadexpress.com Apr 9, 2026

HappyHorse-1.0 Crowned #1 Open-Source AI Video Generator, Tops Artificial Analysis Global Leaderboard

AI-summarised brief · reviewed before publication

An open-source AI video generator, HappyHorse-1.0, has topped the Artificial Analysis Video Arena leaderboard, outperforming closed-source leaders in blind user preference tests. Developed by an independent team led by Zhang Di, the model delivers synchronized audio-video, 1080p cinematic quality, and fast inference. It features a 15-billion-parameter architecture and is now publicly available, marking a shift towards accessible, high-performance video generation.