7 stories tagged claude-mythos, newest first.
27 points by warrenmiller | 13 comments
Gizmodo article on Sam Altman telling Stanford GSB students that AI-driven cybersecurity threats can no longer be handled by just patching bugs.
157 points by Philpax | 125 comments
Anthropic Frontier Red Team post on GLM-5.3 and how advanced AI cyber-exploit capabilities, first seen in Claude Mythos Preview, are proliferating to other models.
1332 points by denysvitali | 1269 comments
Anthropic documentation page describing new features, breaking changes, and capability improvements in Claude Fable 5.1 and Claude Mythos 5.1.
369 points by TomAnthony | 216 comments
Hacker News discussion of Anthropic requiring 30-day data retention for Mythos-class Claude models on AWS Bedrock, moving data outside AWS's security boundary.
321 points by Fysi | 124 comments
Cloudflare blog post by Grant Bourzikas on what the company learned from Project Glasswing and the Mythos frontier AI model for cybersecurity.
![Screenshot of www-cdn.anthropic.com: System Card: Claude Mythos Preview [pdf]](https://hn.urlbox.com/shots/renders/2026/4/7/41bab4f5-97a2-4216-a678-7447d06ddf8b.jpg)
811 points by be7a | 610 comments
Anthropic's PDF system card for the Claude Mythos Preview model, documenting its capabilities, evaluations, and safety assessments.
1455 points by Ryan5453 | 760 comments
Anthropic's announcement page for Project Glasswing, an initiative to secure critical software in the AI era using its Claude models.