[Moonshot AI 17-Year-Old Researcher Chen Guangyu Resigns, Rumored to Join U.S. AI Company Discovery Loop] According to Deep Tide TechFlow on October 21, citing a report from Yonhap News Agency, 17-year-old researcher Chen Guangyu, who participated in the development of Moonshot AI (Dark Side of the Moon) Kimi K3 model, has resigned. A social media account tracking U.S. AI talent movements, 'Aper Grok,' claims he has joined Discovery Loop. Chen Guangyu has not publicly confirmed his next destination, and Discovery Loop stated it does not comment on personal matters. Chen Guangyu joined the Kimi team as a machine learning researcher in November 2025, deeply involved in the development of the Kimi K3 underlying architecture. On social media, he expressed gratitude to the company for hiring him at the age of 16 and stated he would be heading to the San Francisco Bay Area. He was previously speculated to join Anthropic but has denied this. Discovery Loop was founded in August this year by Jeff Dean and three other former Google researchers, aiming to automate scientific research using AI. The company has not yet released any products.