XBOW tests Anthropic's Mythos Preview for offensive security

Anthropic's Mythos Preview was highly effective at finding vulnerability candidates, especially when analyzing source code.

US Government Suspends Access To Claude Fable 5 And Mythos 5 (What It Means For Your Business)

The US government just forced Anthropic to suspend Claude Fable 5 and Mythos 5 overnight. Here is what every business owner ...

Using Claude Fable 5 means your data will be collected. It’s not optional.

Anthropic released a 'safe' version of Claude Mythos — and changed its data retention policy for the model, too.

A Complete Beginner’s Guide to Setting Up and Using ChatGPT 5.5

Master ChatGPT 5.5 with this comprehensive beginner guide. Discover how to use the Codex app to build spreadsheets, ...

Anthropic blocks all public access to Claude Fable 5, Mythos 5 following US government order — what enterprises should do

Enterprises can no longer afford — from an operational reliability standpoint — to run critical workflows on any single AI ...

Anthropic’s Claude Fable is a version of Mythos the public can access today

Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails ...
The Hacker News

âš¡ Weekly Recap: Chrome 0-Day, UniFi Exploits, macOS Stealers, VPN Flaw and More

This week’s recap covers exploited flaws, supply chain attacks, phishing kits, AI lures, macOS stealers, urgent CVEs, tools, ...

Why Anthropic suddenly pulled Fable 5 and Mythos 5 for everyone

Why Anthropic suddenly pulled Fable 5 and Mythos 5 for everyone ...

Anthropic says it has taken its latest AI models offline to comply with new export controls

AI giant Anthropic says it has taken its latest artificial intelligence models, known as Fable 5 and Mythos 5, offline to ...

Claude Fable 5 secretly throttled AI researchers, and the internet went wild

Claude Fable 5 gave users access to Mythos-class power, but its hidden safeguards turned a safety feature into a trust ...
The Next Web

Fable 5 was beating GPT 5.5 on every major benchmark. Then the US government pulled it offline.

Anthropic's Fable 5 led every major AI benchmark over OpenAI's GPT 5.5 before a US export control directive forced it offline three days after launch.