There was a surprise guest speaker at Nvidia’s widely watched GPU Technology Conference (GTC) in San Jose, California, last month: Yang Zhilin, the founder of Beijing-based Moonshot AI, the developer behind the Kimi family of foundational artificial intelligence models.Amid heated rhetoric about US-China AI competition, which some have likened to an “arms race”, the participation of a Chinese AI start-up’s CEO at the flagship event of American chipmaking giant Nvidia might have struck some as odd.Yang, a 30-something doctoral graduate of Pittsburgh’s Carnegie Mellon University from Shantou, Guangdong province, delivered an almost identical presentation less than two weeks later at…