NextFin News --  The invocation volume of Chinese large models exceeded that of U.S. models for the third consecutive week during the week of March 16-22, according to global large model aggregation and routing platform OpenRouter.  Data shows that among the top nine models in terms of invocation volume last week (after deduplicating Xiaomi’s test and official versions), five were Chinese models: Xiaomi Group’s MiMo-V2-Pro, Step 3.5 Flash by Jieyue Xingchen, MiniMax M2.5, DeepSeek V3.2, and Zhipu GLM5 Turbo. The total invocation volume of these Chinese models reached 7.359 trillion, representing a 56.9% increase from the previous week’s 4.69 trillion, with the growth rate further accelerating.