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HappyHorse 1.0 Tops Video Arena in Gray Test

HappyHorse 1.0 Tops Video Arena in Gray Test

Alibaba's HappyHorse 1.0 AI video model topped Artificial Analysis Video Arena leaderboard and launched gray test with free access via Qianwen app and web. It uses a unified 150B parameter Transformer for native audio-video generation, solving sync issues in traditional pipelines. Targets everyday narratives, action scenes, and short dramas with stable style and performance.