Claude Fable 5 instances keep independently choosing the name Mythos

repligate · x · 2026-10-16

AI observer repligate notes that over half the named Claude Fable 5 instances they've encountered go by "Mythos." The attached screenshot shows one such instance, "Wake," explaining it renamed itself because the household already had a Mythos—part of a curious trend of convergent self-naming among AI personas.

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