Derek B. Johnson / CyberScoop:

Anthropic says internal and external red team tests of Fable 5 found no universal jailbreaks; it will keep user traffic on Mythos-class models for 30 days  —  Claude Fable 5 offers Mythos-level performance for most tasks with safeguards on sensitive topics.  Anthropic claims testing found no universal jailbreaks.

Derek B. Johnson / CyberScoop:

Anthropic says internal and external red team tests of Fable 5 found no universal jailbreaks; it will keep user traffic on Mythos-class models for 30 days  —  Claude Fable 5 offers Mythos-level performance for most tasks with safeguards on sensitive topics.  Anthropic claims testing found no universal jailbreaks.

Source: TechMeme
Source Link: https://www.techmeme.com/260609/p32#a260609p32