In detail
- Directive issued Friday at 5:21 PM ET requiring suspension of access for 'any foreign national' inside or outside the US, including foreign Anthropic employees.
- Mythos 5 had been available to select agencies and companies; Fable 5 was described as 'safe for general use' and included extra safeguards.
- Sources say the administration gave Anthropic a 90‑minute ultimatum before threatening export controls via the Commerce Department.
- Anthropic is traveling to Washington to try to reverse the decision as the administration evaluates its rationale and scope.
Why it matters
The episode shows US regulators can abruptly cut off access to major AI models, affecting vendors, integrators and customers who rely on those APIs or capabilities.
For you Check whether your stack depends on US‑hosted models and prepare contingencies (alternative providers, on‑prem/local models, contractual clauses) for mission‑critical use.