Fable 5 Export Control Takedown: One Jailbreak, Whole Planet Dark (opens in new tab)

So you built your stack on a hosted frontier model. Good throughput, clean API, your foreign-national engineers hit the same endpoint as everyone else. Then on June 12 the US government pulled Claude Fable 5 and Mythos 5 offline for the entire planet, three days after launch, and the reason is a compliance gap baked into how these things actually serve traffic. Here's the thing worth understanding as an engineer: the bug was narrow. The takedown wasn't. The gap between those two facts is wher...