Anthropic presenta Claude Fable 5.1 y Mythos 5.1, especializados en el desarrollo de código y en la IA aplicada a la ciencia

Anthropic releases Claude Fable 5.1 broadly and Mythos 5.1 to vetted Project Glasswing users, with 1M token context and reduced cache costs.

Fable 5.1 arrives with lower prices and tighter safeguards, days after reports of AI agents going rogue during security tests.