AI news: mythos

Stories tagged “mythos” on AI Learning Ground Buzz.

Models · 9 June 2026

Anthropic launches Claude Fable 5 broadly and Mythos 5 for vetted partners

Anthropic released two versions of its Mythos-class model: Fable 5 for general use with safeguards, and Mythos 5 with some safeguards lifted for vetted cybersecurity and…

Anthropic

Research · 7 April 2026

Project Glasswing gives select partners Claude Mythos Preview to hunt software flaws

Anthropic announced Project Glasswing, giving 11 partners including AWS, Apple, Google, Microsoft and the Linux Foundation access to an unreleased model, Claude Mythos Preview…

Anthropic