Claude Fable 5.1 cracked a cipher that has survived for 370 years in 40 min. An AI model identified as Claude Fable 5.1 deciphered a cipher that had remained unbroken for 370 years in 40 minutes, according to OSINT Sights. The claim, reported by the site osintsights.com, was surfaced on Hacker News with 2 points and 2 comments. Article URL: https://osintsights.com/ai-deciphers-370-year-old-cipher-in-minutes Comments URL: https://news.ycombinator.com/item?id=49688595 Points: 2 Comments: 2