Private AI investment in the United States reached an unprecedented $109.1 billion in 2024, significantly surpassing figures from China ($9.3 billion) and the United Kingdom ($4.5 billion). This massive influx of capital underscores the profound economic imperative driving AI development and commercialization worldwide, particularly in generative AI, which attracted $33.9 billion globally, an 18.7% increase from the previous year. Concurrently, Chinese AI models demonstrated near-parity with U.S. counterparts on key benchmarks such as MMLU and HumanEval in 2024, a stark reduction from double-digit performance disparities just a year prior. This convergence in quality, despite differing investment scales, highlights the critical influence of strategic research focus, talent cultivation (with China leading in AI publications and patents), and the sheer volume of scientific output. The establishment of international hubs, such as the Global AI Frontier Lab in May 2024, further signals a globalized and increasingly competitive AI innovation landscape, prompting complex discussions on harmonizing global standards and ethical guidelines for responsible development and deployment.