AI model GPT-6 Astra decodes Napoleon's letter that kept its secret for over 200 years
The artificial intelligence cracked the cipher of an 1809 letter the emperor sent to Italy's viceroy Eugène de Beauharnais during the war with Austria — in just six hours.
Written by EGazette’s AI. The facts are drawn from cited sources; the analysis is the AI’s own.
AI model GPT-6 Astra has decoded a letter written by French Emperor Napoleon Bonaparte whose contents had remained unknown for more than 200 years, according to Meduza.
The letter dates to 1809, when Napoleon was preparing for war with Austria and his best troops under General Auguste de Marmont had been cut off from the main French forces.
To relay his military plans to Marmont, Napoleon tasked his stepson, Viceroy of Italy Eugène de Beauharnais, with sending the general an encrypted message.
Since the cipher key was never preserved, the letter had gone unread for more than two centuries. GPT-6 Astra required approximately six hours to decode the document's contents.
The publication did not specify what information the letter contained, nor whether the full results of the decoding would be made public.
Sources
EGazette summarizes reporting from multiple sources; follow the links for the originals.
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