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1. Oct 7
   Utopai X's No.2 video ranking questioned: post-training on MiniMax H3 under scrutiny

   On Sept 30, 2026, Artificial Analysis's text-to-video blind-voting leaderboard placed Utopai Studios' Utopai X second worldwide with 1150 points, behind only Wan 3.0 and the top-ranked US model, prompting a wave of Chinese-language coverage calling it an "AI video dark horse" with a "proprietary custom model." The article says roughly 90% of that coverage ignored the leaderboard footnote "Utopai X (based on MiniMax H3)" — it is not trained from scratch but post-trained on MiniMax's open-source base with film-production data. It raises three questions: cost-effectiveness (base scored 1136 vs 1150, and no training compute or inference configuration has been disclosed), whether the fine-tuning can migrate to a new base model, and whether its iteration speed can match native models such as Seedance's continuous data flywheel.

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