Moonshot AI
Moonshot AI author Chen Guangyu, 17, leaves company
Chen, a lead author of the paper behind Kimi K3, is relocating to the San Francisco Bay Area, according to Seoul Economic Daily.
The answer
Chen Guangyu, 17, a lead author of the Kimi K3 paper, confirmed he has left Moonshot AI.
Chen Guangyu, 17, a lead author of the research paper behind Moonshot AI's Kimi K3 model, confirmed on 18 October that he has left the company, according to Seoul Economic Daily.
Seoul Economic Daily said Chen was one of three equal-contribution first authors of the paper "Attention Residuals", which underlies Kimi K3.
Chen is relocating to the San Francisco Bay Area, the newspaper reported. It did not say in the material available what he will do there.
He also addressed reports linking him to Anthropic. Chen said joining Anthropic "is not happening," according to Seoul Economic Daily.
Where Chen will work next has not been confirmed. Moonshot AI's own account of his departure was not included in the report as summarised.
Sources
- Teen prodigy behind Kimi breakthrough leaves Moonshot AISeoul Economic Daily · 18 October 2026
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