Xiaomi launched its second- generation SU7 yesterday, priced at CNY219,900 (USD31,870) for the standard model, CNY249,900 for the Pro, and CNY303,900 for the Max, all CNY4,000 (USD580) cheaper than the first-gen. Chairman Lei Jun promised to invest CNY60 billion (USD8.7 billion) in AI over the next three years.