US talent gap with China widens despite visa curbs, study finds

The Hoover Institution and Stanford study identifies a fundamental shift in US-China AI competition: the era in which the US could maintain technological leadership through visa restrictions and export controls may be ending. Historically, US dominance in AI research was sustained partly by attracting global talent and controlling access to cutting-edge technology. China's emergence as a producer of frontier-model researchers who have no experience in the US system breaks this model, because visa curbs and export controls were designed to slow China's access to US talent and know-how. If China is now generating such researchers internally, those traditional defensive measures lose their primary leverage. The study's framing—that the US must "chase AI talent abroad"—suggests the policy response must shift from restriction to active recruitment, a more resource-intensive and uncertain strategy than the defensive approach of the past decade.