The moment that triggered the Trump administration’s dramatic crackdown on Anthropic — and may completely reset the ground rules for U.S. regulation of AI — happened almost by accident. And it was sparked by one of Anthropic’s top investors: Amazon.
According to Fortune, a phone call between Amazon CEO Andy Jassy and U.S. officials set in motion a chain of events that quickly became international news. By Friday evening, just four days after Fable 5’s launch, U.S. Secretary of Commerce Howard Lutnick had hit Anthropic with unprecedented export controls, forcing the lab to pull its most powerful models.
How Amazon researchers discovered a security flaw
Last week, researchers at Amazon were busy stress-testing Anthropic’s newly released Fable 5, a “safe” version of Anthropic’s Mythos AI model. Anthropic had repeatedly said that its Mythos-class models had superhuman software hacking skills that were too dangerous to be released to the general public. Fable 5, which Anthropic launched on June 9, was equipped with what it said were robust safeguards against cybersecurity risks.
However, the Amazon researchers testing Fable discovered a “jailbreak” that they documented. This vulnerability allowed the model to bypass its safety guardrails, raising serious security concerns. As reported by The Wall Street Journal, the Trump administration halted foreign use of Anthropic’s most-capable AI models after Amazon CEO Andy Jassy raised security concerns with U.S. officials.
The phone call that changed AI regulation
Jassy’s private phone call with U.S. officials was the key trigger. According to Fortune, the call set off a chain reaction that quickly escalated. Within days, the Commerce Department imposed export controls on Anthropic’s most powerful models, a move that experts say could completely reset the ground rules for U.S. regulation of AI.
"The week that changed AI: Inside Trump's Anthropic crackdown, and how a phone call from Amazon CEO Andy Jassy triggered the chaos." — RiskCentre on X
This development highlights the growing tension between AI safety and commercial interests. Anthropic had positioned Fable 5 as a safe alternative to its more powerful Mythos models, but the discovery of a jailbreak by Amazon researchers — a key investor in Anthropic — undermined that claim.
What the crackdown means for AI regulation
The Trump administration’s response was swift and severe. By imposing export controls on Anthropic’s models, the government effectively blocked foreign access to some of the most advanced AI technology in the world. This move signals a new era of aggressive AI regulation, where private sector discoveries can directly trigger government action.
As reported by Instagram, talks between Amazon CEO Andy Jassy and U.S. officials triggered a crackdown on Anthropic's AI models. The incident underscores how quickly the landscape of AI regulation can shift when major players like Amazon raise red flags.
Our Take: A wake-up call for AI safety
This story is a stark reminder that AI safety is not just a theoretical concern — it has real-world consequences. In our view, the fact that Amazon, a major investor in Anthropic, was the one to discover the vulnerability shows that even the most well-intentioned safety measures can fail. The Trump administration’s rapid response, while dramatic, may be necessary to prevent dangerous AI capabilities from spreading unchecked.
To put it plainly, this incident could be a turning point. If a phone call from one CEO can trigger export controls and force a leading AI lab to pull its models, then the rules of the game have changed. Companies developing powerful AI must now expect that any security flaw — no matter how small — could lead to government intervention. For the public, this means greater oversight, but also the risk of slower innovation. The balance between safety and progress has never been more delicate.
