GPT-6 Astra cracks 217-year-old Napoleonic code in six hours
ortusdux
22 points
11 comments
October 05, 2026
https://carter.church/writeups/the-letter-to-marmont/
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Discussion Highlights (7 comments)
ortusdux
Link to X thread: https://x.com/CarterWChurch/status/2105167567706816690?ref_s... "What makes this impressive isn't actually the codebreaking, but that Astra completed the entire multi-modal workflow in ~6 hours from a single image and goal."
hansonkd
I mean is this good? How do we measure how "unsolvable" these codes are vs just unsolved because they are esoteric, uninteresting, and useless?
cantaloupe
The original blog post of the person who orchestrated the attempt: https://carter.church/writeups/the-letter-to-marmont/
z3ratul163071
amazing. can it also not butcher my medium size code base every time i give it a task?
breakingcups
Wonder when Astra is going to definitively "solve" the Voynich Manuscript.
antesaj
Did it search for existing research and documented attempts at the problem before starting on the solution?
spdustin
No, I will not un-block html-load (dot) com. Glad the original blog post was linked in the comments here.