China's Moonshot AI Kimi K3 rattles US; founder Yang Zhilin, a Carnegie Mellon PhD, left US to build model shaking Silicon Valley
Quoc V. LeYang ZhilinWilliam CohenScott BessentYann LeCunSarah HeckAnastasios AngelopoulosMichael KratsiosYoshua BengioRuslan SalakhutdinovMetaTsinghua UniversityGoogleNvidiaMoonshot AICarnegie Mellon UniversityOpenAIArenaCounterpoint ResearchAnthropic

China's Moonshot AI Kimi K3 rattles US; founder Yang Zhilin, a Carnegie Mellon PhD, left US to build model shaking Silicon Valley

China's Moonshot AI has launched its Kimi K3 model, which rivals U.S. competitors like OpenAI's GPT, prompting concerns in Silicon Valley. Founded by Carnegie Mellon PhD Yang Zhilin, the startup's open-weight model has already overwhelmed demand, leading to subscription suspensions just days after its release.

CNN+1 source24 July 2026 · 06:08 UTC
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China's Moonshot AI has made headlines with its Kimi K3 model, a 2.8 trillion-parameter open-weight large language model that rivals U.S. counterparts like OpenAI's GPT and Anthropic's Claude.23569

Founded by Yang Zhilin, a Carnegie Mellon PhD, the startup has quickly gained traction, suspending new subscriptions within two days due to overwhelming demand.18

The Kimi K3 model is designed for complex reasoning, software coding, and analyzing long documents, and its performance is said to approach frontier systems.

Wei Sun, principal AI analyst at Counterpoint Research, noted that the gap between Chinese and American models has narrowed to just three to six months.

However, the launch has not been without controversy. U.S. officials, including Michael Kratsios from the White House Office of Science and Technology Policy, have accused Moonshot of distilling American models, a claim the company denies.

Sarah Heck, Anthropic’s policy head, labeled the situation a “national challenge” that poses serious security risks.

Despite these allegations, many analysts find the accusations against Moonshot unlikely.10

Yang, who turned down a lucrative job offer from Apple, co-founded Moonshot AI in March 2023, raising $60 million and assembling a team of 40 AI specialists in just three months.

The launch of Kimi K3 has already triggered a sell-off in major U.S. tech stocks, highlighting the growing competition between Chinese and American AI industries.

Key Insight
“The open-weight Kimi K3 matches leading US models in coding and reasoning for free, forcing Moonshot to suspend new subscriptions as demand overwhelms capacity. Meanwhile, US officials accuse Moonshot of distilling American models, a charge the startup denies while the release renews debate over export curbs.”
CuriousCats studied:
1
CNN
“The latest Chinese AI model making waves was developed by a lesser-known startup called Moonshot AI.”
CNN →
2
VnExpress InternationalVnExpress International
“Carnegie Mellon University computer science Ph.D. Yang Zhilin left the U.S. to build Moonshot AI in China, whose new open-weight Kimi K3 model is sending shockwaves through Silicon Valley.”
VnExpress International →
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