Anthropic launches Claude Fable 5, but keeps prompts 30 days under new retention rules
The Mythos-class model is public now, with failovers, misuse classifiers, and a 30-day log retention shift for some orgs.
By Yousef Al-Zahrani·· 4 min
3 briefings · “mythos-class”
The Mythos-class model is public now, with failovers, misuse classifiers, and a 30-day log retention shift for some orgs.
The new generally available model aims to outperform prior Claude releases, while quietly limiting dual-use scenarios.
A new Claude model is coming out of Anthropic's Mythos cybersecurity hold, with safeguards that limit high-risk outputs.