Anthropic resolves elevated errors on Mythos 5.1, Fable 5.1, Opus 5
Anthropic marked a major incident resolved after elevated errors on Claude Mythos 5.1, Fable 5.1, and Opus 5 from about 00:50–02:10 UTC on Sept 22 (~80 minutes). Status updates said Mythos/Fable recovered first; Opus 5 followed before the all-clear.
