According to the latest data from OpenRouter, among the top AI models listed last week (March 9th to March 15th), the weekly call volume of Chinese AI models rose to 4.69 trillion tokens, an increase of 11.83% compared to the previous week; the weekly call volume of US AI models was 3.294 trillion tokens, a decrease of 9.33% week-on-week. Chinese AI models have surpassed the US in weekly call volume for two consecutive weeks. Last week, the top three globally in terms of call volume were all Chinese AI models. Notably, the mysterious model Hunter Alpha made the list, with a weekly call volume of 0.666 trillion tokens, ranking seventh. The model description on OpenRouter shows that Hunter Alpha was launched on March 11th. This model is specifically built for intelligent agent applications and is an intelligent model with trillions of parameters and 1 million tokens of context.