U.S. Export Controls on AI Face Historic Test After Anthropic Ban
The White House last Friday ordered Anthropic to halt exports of its advanced AI models, Fable and Mythos, citing unspecified national security risks. The company complied within hours, cutting off access for foreign nationals and overseas users. This marks the first major test of whether the U.S. can effectively restrict frontier AI through export controls—a strategy that has historically struggled to contain encryption and spyware. The outcome could set a precedent for how other AI labs navigate global markets.
Anthropic had marketed Mythos as a powerful cyber defense tool, limiting access to roughly 150 vetted organizations. The ban was reportedly triggered by two events: Anthropic granted access to a South Korean telecom (widely reported as SK Telecom, which denies ties to China), and Amazon CEO Andy Jassy alerted officials after researchers found a way around Fable 5’s safeguards. Anthropic disputes the severity of the breach, calling it a narrow, patched issue, but the Commerce Department issued an export directive anyway.
This isn't the first time the U.S. has tried such controls. In the 1990s, the government investigated PGP creator Phil Zimmermann for violating arms export laws, fearing encryption would block intelligence surveillance. Zimmermann fought back by publishing PGP's source code as a printed book, sparking the “Crypto Wars.” The investigation was later dropped, paving the way for end-to-end encryption used by billions today.
Similarly, in the early 2010s, Western-made spyware was found targeting dissidents abroad, leading to expanded Wassenaar Arrangement controls. Yet those measures often failed to stop proliferation. As Anthropic navigates this standoff, history suggests export controls alone may not contain the spread of powerful AI—but the stakes are higher than ever.