中国AI调用量井喷，四款大模型进入全球前五，关注恒生科技ETF易方达（513010）等产品配置机会

Group 1 - The core viewpoint of the articles highlights the significant growth of Chinese AI models, with a weekly call volume reaching 5.16 trillion tokens, surpassing the U.S. models for the first time [1] - The top five models by call volume are dominated by Chinese companies, contributing 85.7% of the total call volume, indicating strong performance in the AI sector [1] - The Hang Seng Technology Index and the China Securities Hong Kong Stock Connect Internet Index both have rolling P/E ratios below 25, positioned at the 21.3% and 14.5% percentiles since their inception [1] Group 2 - Recent data shows that the Hang Seng Technology ETF and the Hong Kong Stock Connect Internet ETF have seen net inflows of 4.2 billion and 1.3 billion yuan respectively over the past month, reaching historical highs in share volume [2] - These inflows are expected to facilitate investors in easily accessing core AI-related stocks in the Hong Kong market [2]