CLUSTER · TIER 1
Anthropic releases Claude Fable 5 as first public Mythos-class model with safety guardrails
Anthropic released Claude Fable 5, its first Mythos-class model available to the public, alongside the restricted Claude Mythos 5 for trusted partners. Fable 5 includes safety guardrails blocking high-risk outputs in cybersecurity and biology, while Mythos 5 is offered to cyber defense organizations.
Sources
11
X mentions
684k ▲
First seen
23Dago
Velocity
+23%/6h