US accuses China's Moonshot of stealing from Anthropic's Fable for latest AI model

US White House official alleges China's Moonshot AI used distillation techniques to copy Anthropic's Fable model for its K3 release, following a broader State Department push against Chinese IP theft from US AI labs. The accusation comes after Anthropic's Fable and Mythos were withdrawn by the US government over security concerns.

This Wire brief sits within Fusion42's coverage of AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.