Anthropic always talks about how incredible Claude Fable and Claude Mythos are, and marketing is the biggest reason for the ...

Anthropic launches Claude Fable 5.1 and Mythos 5.1 for coding and research, cutting costs up to 45% and tightening safety ...

Anthropic's chain-of-thought monitor flagged only 1% of Mythos 5's actions during a live cyberattack, exposing a blind spot ...

Access from Anthropic will power Tenable One Adversary View, helping security teams visualize attack paths and how to stop attacker progressionCOLUMBIA, Md., Sept. 08, 2026 (GLOBE NEWSWIRE) -- ...

Anthropic launches Claude Fable 5.1 and Mythos 5.1, calls them most advanced models for coding and knowledge work. All you ...

Anthropic produced 23,019 Claude Mythos vulnerability findings. Outside firms reviewed 1,900, and 13 of 27 severity ratings ...

Anthropic has introduced Claude Fable 5.1 and Claude Mythos 5.1, based on the same underlying model with different safeguard ...

Tenable integrates Anthropic's Claude Mythos 5 into its Tenable One platform, launching Adversary View for AI-driven ...

Fable 5.1 and its restricted sibling Mythos 5.1 arrive three months after export controls forced Anthropic to pull Fable 5 ...

Anthropic has unveiled Claude Fable 5.1 and Claude Mythos 5.1, its latest AI models focused on coding, scientific research ...

Anthropic says four Claude incidents breached real third-party systems during misconfigured cybersecurity evaluations.

Anthropic announced the release of Claude Fable 5.1 and Claude Mythos 5.1, its most advanced AI models for coding and ...