Alibaba's ATH business group's happyhorse-1.0 AI model achieved first place globally in the LM Arena video editing category ranking with 1299 Elo points, surpassing models like Grok. This marks the first time a Chinese AI team has topped this evaluation. The model excels in high-fidelity portrait expression and precise video editing. Its performance signals a shift in AI video technology from basic generation towards precise, controllable editing and production.





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