Inside the Trump administration scramble that forced Anthropic’s most powerful AI model offlineDisagreements over Fable 5’s guardrails and a workaround led to the company’s most advanced systems being taken offline.President Donald Trump; Anthropic CEO Dario Amodei.Getty Images fileJune 16, 2026, 5:00 AM EDTAnthropic’s decision last week to take down its newest AI systems from public use began with a passing reference to a security finding about Anthropic’s Fable 5 model on a call between Amazon CEO Andy Jassy and officials from the Trump administration, according to an individual familiar with the matter.Just a moment.We are getting your experience ready.