Michael Kratsios, director of the White House Office of Science and Technology Policy, publicly accused Chinese AI lab Moonshot AI of covertly distilling Anthropic's Fable model to build its Kimi K3 model, and separately alleged Moonshot obtained export-restricted Nvidia GB300 chips through Thailand. The claims, posted to X on July 23, escalate US-China friction over frontier AI technology just days after Moonshot released Kimi K3 as an open-weight, 2.8-trillion-parameter model that closes much of the performance gap with US frontier systems.

The distillation and chip access claims

Kratsios wrote that "we have information that Moonshot AI distilled Anthropic's Fable for the development of its K3 model," alleging the company built "a sophisticated internal platform to conduct large-scale distillation against U.S. models," designed to switch between multiple access methods to avoid detection. He drew a distinction between legitimate, permitted model distillation and what he characterized as covert efforts to extract proprietary technology from a competitor's model. Separately, Kratsios said Moonshot "acquired GB300-equipped servers and has accessed GB300s in Thailand, likely to train its AI models" — chips that fall under US export restrictions barring sale of Nvidia's most advanced Blackwell-line hardware to Chinese firms.

Reactions and next steps

Anthropic's head of public policy, Sarah Heck, responded on X thanking Kratsios and describing illicit adversarial distillation as "IP theft and industrial espionage." Treasury Secretary Scott Bessent said separately that he is considering adding Moonshot AI to the US trade blacklist and imposing sanctions. Moonshot AI had not issued an official response as of publication. Some AI researchers pushed back on the distillation framing specifically, telling TechCrunch that Kimi K3's benchmark performance is better explained by Moonshot's own training methods and scale than by exploiting Anthropic's model.

Why it matters

The accusations mark one of the most direct public confrontations yet between the US government and a Chinese AI lab over both intellectual-property theft and export-control evasion in the same breath, rather than as separate enforcement tracks. A Treasury blacklisting would cut Moonshot off from US suppliers and partners, a significant escalation given Kimi K3's rapid rise up independent benchmark leaderboards. More broadly, the episode underscores how difficult chip export controls remain to enforce against determined actors routing hardware through third countries, and signals that unverified distillation claims — contested here by outside researchers — are becoming a live front in AI great-power competition, independent of whether they hold up to technical scrutiny.