The Safety Ledger of Claude Fable 5.1
Anthropic shipped Fable 5.1 and Mythos 5.1 today with numbered safety claims attached — 85% fewer biology false positives, 60% fewer cyber ones, an invisible EU watermark. Each traced to its source.
Tagged Responsible Scaling Policy · show all articles
Anthropic shipped Fable 5.1 and Mythos 5.1 today with numbered safety claims attached — 85% fewer biology false positives, 60% fewer cyber ones, an invisible EU watermark. Each traced to its source.
Two questions, not one, decide how Anthropic and the Claude line look in 2035: does its safety-training method stay on its current path, and does its scaling policy become everyone's floor or stay its own. Four scenarios follow, each with a falsifier.
Anthropic's own dated record — a 2021 founding, a Constitutional AI paper that preceded its first product, a Responsible Scaling Policy that has since restricted a real model's deployment — is more precise than the branding built on top of it.