In recent weeks, we pointed Mythos and other security-focused LLMs at live code across critical parts of our infrastructure. We share what we observed, the models’ strengths and weaknesses, and what the work around them needs to look like before any of it can scale.
Claude Mythos Preview \ red.anthropic.com
Earlier today we announced Claude Mythos Preview, a new general-purpose language model. This model performs strongly across the board, but it is strikingly capable at computer security tasks. In response, we have launched Project Glasswing, an effort to use Mythos Preview to help secure the world’s most critical software, and to prepare the industry for the practices we all will need to adopt to keep ahead of cyberattackers.
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.
Nicholas Carlini - Black-hat LLMs | [un]prompted 2026
AI #163: Mythos Quest
There exists an AI model, Claude Mythos, that has discovered critical safety vulnerabilities in every major operating system and browser.
What Anthropic’s Mythos and Project Glasswing Mean for Your Apple Devices - TidBITS
AI is accelerating the discovery of security vulnerabilities, transforming the landscape of digital security. But Apple users are in a good spot, thanks to Apple’s focus on security and control over the entire ecosystem. TidBITS Security Editor Rich Mogull explains Anthropic’s Mythos and Project Glasswing.
Project Glasswing: Securing critical software for the AI era
A new initiative to secure the world’s most critical software and give defenders a durable advantage in the coming AI-driven era of cybersecurity.
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.
AI Cybersecurity After Mythos: The Jagged Frontier
Why the moat is the system, not the model
A new Anthropic model found security problems ‘in every major operating system and web browser’
Nvidia, Google, Apple, Microsoft, and others will use Claude Mythos Preview to spot vulnerabilities in their systems.
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.
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 …
Extensible Software in the age of LLMs | Jeremy Morrell
Solid core + capability-based sandboxes + LLMs = Users with superpowers
Anthropic's Mythos is a wake up call, but experts say the era of AI-driven hacking is already here | Fortune
Anthropic is limiting access to Mythos, but experts say similar capabilities are already in reach.
