Anthropic is limiting access to Mythos, but experts say similar capabilities are already in reach.
Claude Mythos Preview: Anthropic's Cybersecurity AI
Guide to Claude Mythos Preview, Anthropic's most capable AI model. Capabilities, benchmarks, Project Glasswing, cybersecurity impact, and business implications.
Anthropic Teams Up With Its Rivals to Keep AI From Hacking Everything
The AI lab's Project Glasswing will bring together Apple, Google, and more than 45 other organizations. They'll use the new Claude Mythos Preview model to test advancing AI cybersecurity capabilities.
Cybersecurity Looks Like Proof of Work Now
The UK's AI Safety Institute recently published Our evaluation of Claude Mythos Preview’s cyber capabilities, their own independent analysis of Claude Mythos which backs up Anthropic's claims that it is …
Cybersecurity Looks Like Proof of Work Now
The UK's AI Safety Institute recently published Our evaluation of Claude Mythos Preview’s cyber capabilities, their own independent analysis of Claude Mythos which backs up Anthropic's claims that it is …
China may have accessed Mythos
It wouldn’t be the first breach of Anthropic’s powerful AI.
“Claude Mythos doesn’t just find vulnerabilities - it exploits them” | Ctech
Anthropic restricts access to its most powerful AI model to around 40 companies, including Apple, Google, Microsoft, Amazon, Nvidia, Palo Alto Networks and CrowdStrike, as part of a $100 million cybersecurity initiative aimed at using the system to detect and patch critical software flaws before similar capabilities spread more widely across the ecosystem.
OpenAI #16: A History and a Proposal
The real news today is that Anthropic has partnered with the top companies in cybersecurity to try and patch everyone’s systems to fix all the thousands of zero-day exploits found by their new model Claude Mythos.
AI #163: Mythos Quest
There exists an AI model, Claude Mythos, that has discovered critical safety vulnerabilities in every major operating system and browser.
Claude Mythos can exploit decades-old vulnerabilities, but Anthropic is keeping it locked down
Anthropic's latest model needs to be kept under lock and key, but for how long?
Anthropic releases Claude Fable, a version of Mythos, days after warning AI is becoming too dangerous
Anthropic is releasing Claude Fable 5, its first Mythos-class model available to the public. The model comes with guardrails that block responses in high-risk areas like cybersecurity and biology.
Anthropic on Twitter / X
Claude Fable 5 will be available again globally tomorrow.After a series of productive conversations with the US government, we're redeploying the model with a new set of classifiers to target and block more cybersecurity tasks. In the near term, some routine tasks like coding…— Anthropic (@AnthropicAI) July 1, 2026
Anthropomorphism Is Breaking Our Ability to Judge AI
Tech Policy Press fellow James Ball asks, how should we interact with a technology designed to ‘speak’ with us on what appear to be human terms?
Claude Mythos #2: Cybersecurity and Project Glasswing
Anthropic is not going to release its new most capable model, Claude Mythos, to the public any time soon.
Anthropic users face a new choice – opt out or share your chats for AI training | TechCrunch
Anthropic is making some major changes to how it handles user data. Users have until September 28 to take action.
Anthropic blames dystopian sci-fi for training AI models to act “evil”
But training on "synthetic stories" that model good AI behavior can help.
AI Cybersecurity After Mythos: The Jagged Frontier
Why the moat is the system, not the model
