A public exchange between Chinese Weibo and English social platforms brought the competitive tension of the large model parameter race to the forefront. On July 20, Moonshot AI released its new open-source large model, Kimi K3, which topped global rankings and attracted widespread attention. Just a few days earlier, a statement from Elon Musk had extended this competition from rankings into a verbal battle.

On the morning of July 18, Musk posted on a social platform stating that his 2-trillion-parameter model outperformed the current 1.5-trillion-parameter version in all aspects, and would complete preliminary training next week, possibly surpassing Kimi. He also claimed that the new model's reasoning speed and Token efficiency would be close to the existing 1.5T model, Grok4.5. This statement effectively raised the benchmark for parameter scale to over 2 trillion at the moment when Kimi K3 had just topped the charts.

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Moonshot AI responded directly and sharply. It publicly posted on Weibo, @Musk, and only left one sentence: "Welcome to the 2-trillion+ club." A seemingly casual invitation actually used the momentum of its top ranking to present its open-source achievements as the threshold of the club.