{"slug": "claude-fable-5-1-cracked-a-cipher-that-has-survived-for-370-years-in-40-min", "title": "Claude Fable 5.1 cracked a cipher that has survived for 370 years in 40 min.", "summary": "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.", "body_md": "Article URL: \nhttps://osintsights.com/ai-deciphers-370-year-old-cipher-in-minutes\n\nComments URL: \nhttps://news.ycombinator.com/item?id=49688595\n\nPoints: 2\n\n# Comments: 2", "url": "https://wpnews.pro/news/claude-fable-5-1-cracked-a-cipher-that-has-survived-for-370-years-in-40-min", "canonical_source": "https://osintsights.com/ai-deciphers-370-year-old-cipher-in-minutes", "published_at": "2026-09-13 20:56:37+00:00", "updated_at": "2026-09-13 21:23:08.672373+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-research"], "entities": ["Claude Fable 5.1", "OSINT Sights", "Hacker News"], "alternates": {"html": "https://wpnews.pro/news/claude-fable-5-1-cracked-a-cipher-that-has-survived-for-370-years-in-40-min", "markdown": "https://wpnews.pro/news/claude-fable-5-1-cracked-a-cipher-that-has-survived-for-370-years-in-40-min.md", "text": "https://wpnews.pro/news/claude-fable-5-1-cracked-a-cipher-that-has-survived-for-370-years-in-40-min.txt", "jsonld": "https://wpnews.pro/news/claude-fable-5-1-cracked-a-cipher-that-has-survived-for-370-years-in-40-min.jsonld"}}