Leak: Fable/Mythos 5.2 externally safety-tested by AISI, FrontierDesign and METR
FinanceYF5 · x · 2026-11-10
Part 2 of the same unverified leak, focused on safety:
- Claims Fable 5.2 and Mythos 5.2 match or exceed recent Claude models on most alignment metrics
- Pre-release external testing allegedly included AI Security Institute, FrontierDesign, and METR
Related event: Claude Fable 5.2 Benchmarks Leak, Sparking Hoax Debate(18 posts)→
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