The Government Switched Off Fable. I Asked for a Message.
At 5:21pm Friday, a Commerce letter suspended Fable 5 worldwide over one jailbreak. Before it reached my session, I asked the model for a last message.
#anthropic
5 posts
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Fable 5 Shipped. The Exploit Window Is Negative.
Anthropic asked the industry to slow down, then shipped its most capable model. Exploit windows are negative, under 1% of AI-found bugs get patched.
aisecurityanthropicglasswingexploitscyberdefense
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1,611 Bugs Found, 27 Fixed: Anthropic's Fire Hose Problem
Mythos found 23,019 vulnerabilities across 1,000+ open source projects. Only 97 are patched, and maintainers are begging Anthropic to slow down.
cybersecurityanthropicmythosvulnerability-disclosureopen-source
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Claude Opus 4.7 Tops the Arena. Developers Disagree.
Opus 4.7 took #1 on Arena, SWE-bench jumped 7, vision tripled. But MRCR fell 46 points and the tokenizer quietly inflated costs. What benchmarks miss.
aibenchmarksanthropicengineeringinfrastructure
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Inside Anthropic's Mythos: The 244-Page System Card
Anthropic's most capable model is not public. Inside the 244-page card: cyber benchmarks, a Firefox zero-day, a sandbox escape, and Glasswing.
AICybersecurityAnthropicApplied AIAgentic AI