“隐退”四年罕见露面，4815亿首富张一鸣在下什么棋？

Core Insights - Zhang Yiming, the founder of ByteDance and the new richest person in China, made a rare public appearance after more than four years, focusing on AI talent cultivation at the opening of the Zhichun Innovation Center [1][3][6] - The Zhichun Innovation Center aims to recruit and train 30 full-time pre-researchers aged 16-18 annually, emphasizing innovation in computer science and AI [1][3][4] - ByteDance has invested heavily in AI, with reported expenditures reaching hundreds of billions, positioning AI as a core growth engine for the company [1][2][16] Investment and Business Strategy - ByteDance's AI strategy includes products like Volcano Engine and Doubao, which have shown strong competitive performance [2][18] - Zhang Yiming's wealth, estimated at 481.57 billion yuan, is expected to grow further as ByteDance deepens its AI efforts [2] - The company has faced challenges in the AI sector, having "fallen behind" twice in the race for large models, but is now accelerating its efforts to catch up [12][13][23] Talent Development and Organizational Changes - The Zhichun Innovation Center will foster a new generation of innovative talent, focusing on independent thinking and practical experience [4][5][11] - Zhang Yiming has been actively involved in AI strategy discussions, despite stepping back from day-to-day management, similar to Google's Sergey Brin [8][10] - ByteDance has restructured its AI teams to enhance collaboration and efficiency, aiming to improve model development and productization [17][18] Market Position and Performance - ByteDance's cloud service, Volcano Engine, captured 46.4% of the market share for public cloud model calls in China, surpassing competitors [18] - Doubao's daily usage has surged to 16.4 trillion tokens, a 130-fold increase since its launch [19] - In the global AI application market, Doubao ranked fourth, showing significant user growth compared to competitors like DeepSeek [20][21]