Quick emergency newsletter for Fable 5.
Last week I told you to use Fable 5 before it left the Pro/Max plan on June 22. Unfortunately, the US government shut it down on Friday, three days after launch.
What happened
Friday at 5:21pm ET, Commerce Secretary Howard Lutnick sent Anthropic an export control order: cut off Fable 5 and Mythos 5 for any foreign national. That includes foreign nationals inside the US, and Anthropic's own non-citizen staff. Anthropic can't tell those users apart in real time, so it shut both models off worldwide and had AWS pull them too.
Why they pulled it
Fable ships with safeguards that block it from finding and exploiting software vulnerabilities. The government says someone found a jailbreak that gets around them.
Anthropic's version is smaller. It says it only got "verbal evidence of a potential narrow, non-universal jailbreak," with no written details. The bypass, in its words, is "asking the model to read a specific codebase and fix any software flaws." When Anthropic tested it, the model surfaced a few minor, already-known bugs that it says other public models, including GPT-5.5, find on their own.
Anthropic is complying but disagrees. It says recalling a model over a jailbreak this narrow, if it became the standard, "would essentially halt all new model deployments for all frontier model providers."
My take
This might end up being great marketing for Anthropic. "Our model is so good the government made us turn it off" sells itself.
But it sets a precedent, and people will take note. So will companies. A frontier model got pulled three days after launch, and the lesson is the boring one: don't put all your eggs in one model that the government can switch off overnight.
If you build agents, always test with multiple models. A single pulled model shouldn't be able to take your whole workflow down with it. I also think companies will explore more local and open-weight models as well.
What's next
This is moving fast, so it's a guess. Reuters says Anthropic and US officials are meeting today, and an official said access could come back. Anthropic keeps calling the whole thing a "misunderstanding."
The messy part is the foreign-national rule. Anthropic may have to check your citizenship before handing you Fable. That'd be a first for a consumer model.
I hope by the time the regular edition goes out later this week, we will have Fable back on.
Abhishek