US start-up OpenAI’s launch of ChatGPT on November 30, three years ago, sent China’s technology industry scrambling to get up to speed on the latest artificial intelligence developments. Chinese government authorities sent urgent requests to various experts, including professors from Tsinghua University, to provide briefings on the implications of generative AI technology, according to people with knowledge of the matter. China’s Big Tech firms and ambitious start-ups rushed to roll out their...