TechFlow News: On March 16, according to JINSHI Data, OpenRouter—a global large-model aggregation and routing platform for AI application developers—reported that weekly API call volumes for Chinese large models have exceeded those of U.S. large models for two consecutive weeks. Data shows that during the week ending March 9, four publicly identified Chinese models ranked among the top nine globally by weekly call volume, occupying the top three positions: MiniMax’s M2.5 (1.75 trillion tokens), StepFun’s Step 3.5 Flash (1.34 trillion tokens), and DeepSeek’s V3.2 (1.04 trillion tokens); Kimi’s K2.5 ranked ninth. Collectively, Chinese models recorded approximately 4.69 trillion tokens in weekly call volume, up 11.82% from last week’s 4.194 trillion tokens. In contrast, U.S. AI large models recorded 3.294 trillion tokens in weekly call volume, down 9.33% week-on-week. Specific models included Gemini 3 Flash Preview, Claude Sonnet 4.6, Claude Opus 4.6, and Gemini 2.5 Flash; no OpenAI models appeared in the top ten.
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