Anthropic Staff in DC to Resolve Fable 5, Mythos 5 Export Ban
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- Anthropic sent senior technical staff to Washington to meet with White House officials and resolve a dispute over its Mythos 5 and Fable 5 models, with both sides saying they are 'eager to resolve the issue' (per Axios)
- The US government issued an export control directive citing national security authorities, forcing Anthropic to suspend all access to Fable 5 and Mythos 5 for all customers (per Anthropic's own statement)
- Trump adviser David Sacks said Anthropic refused to fix a Fable 5 jailbreak before the US imposed export controls on the latest models (per Tom's Hardware, Bloomberg Law)
- Anthropic also blocked foreign access to Fable 5 and Mythos 5 following the national security order, per ZeroHedge
- The Defense Secretary publicly criticized Anthropic over the episode, per The Hill's coverage
- Anthropic is now attempting to convince officials that the models can be safely controlled, per reporting on the meetings
Why it matters: Anthropic has lost access to two of its frontier models to a federal export order and is now in active damage-control mode, with the Defense Secretary and a senior Trump adviser both publicly faulting the company. With the White House framing this as a national security issue rather than a routine regulatory matter, the standoff could set the template for how the executive branch handles future AI safety disputes.
