TLDR Tech / InfoSec
Claude Fable 5 and Claude Mythos 5
Anthropic's releases Claude Fable 5 as its most capable generally available model and Claude Mythos 5 for selected cyber defenders with relaxed safeguards. Fable 5 routes sensitive cyber, bio, and distillation queries through Opus 4.8 using hardened classifiers and 30‑day log retention. Mythos 5 directly supports Project Glasswing and a gated biology track, with pricing set at $10/M input and $50/M output.
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