AI6 MIN READ
The Agentic Frontier: Anthropic Releases Claude Fable 5 and the Mythos-Class Tier
Anthropic has launched Claude Fable 5, the first generally available model in its elite Mythos-class tier. With a 1-million-token context, 80.3% SWE-bench Pro success, and a unique safety-routing fallback architecture, Fable 5 represents a major shift in long-horizon autonomous workflows.
