BREAKING
US Orders Anthropic to Cut Fable 5 Access
Directive Triggers Full Shutdown
1Export directive issued
2Covers any foreign national
3Anthropic disables both
4Opus 4.8 unaffected
Two Models, Two Distributions
Fable 5Public
Paid subs and enterprise APIs
Added guardrails in cyber and bio
Falls back to Opus on high-risk
Mythos 5Project Glasswing
Limited set of users
Some safety classifiers removed
Reported jailbreak trigger
Fable 5 Led SWE-Bench Pro
Fable 580.3
Opus 4.869.2
GPT-5.558.6
0days
available
0tokens
context window
0%
queries fall back
Talks Will Decide Their Return
AI NEWS BLITZ
The US government has ordered Anthropic to block two of its newest AI models from foreign nationals.