Fable 5.1 reportedly cracks a 370-year-old cipher in a day

zainhas · x · 2026-09-14

A user claims the small model Fable 5.1 solved a roughly 370-year-old encrypted text in a single day, sharing the numeric ciphertext and the apparent decryption. Unverified personal report, but if accurate it's a notable showcase of LLMs tackling long-standing cipher problems.

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