GPT-6 Astra cracked a previously unsolved 1941 German Army Enigma message from World War I
So GPT-6 had to figure out the right key, reconstructing the ADFGVX transposition, and recognizing a plausible plaintext from only 170 ciphertext symbols.
Astra autonomously: Searched historical archives Compared uncertain letters Used contextual clues Built an Enigma simulator Wrote cryptanalysis code Ran parallel experiments Tested rival keys Recovered the plaintext Verified the results
GPT-6 Astra deciphered a 1918 German radio transmission that, to my knowledge, has never been deciphered before. The message below translates to: "EIN ENGLISCHE...