Billionaire entrepreneurs, mid-level engineers and veterans of foreign firms alike now harbor a remarkably consistent ambition: to outdo China’s geopolitical rival in a technology that may determine the global power stakes. Among them is internet mogul Wang Xiaochuan, who entered the field after OpenAI’s ChatGPT debuted to a social media firestorm in November. He joins the ranks of Chinese scientists, programmers and financiers — including former employees of ByteDance Ltd., e-commerce platform JD.com Inc. and Google — expected to propel some USD 15bn of spending on AI technology this year.