HN Digest

Fable's Fermat proof meets its skeptics

November 10, 2026·13 min
Episode Description from the Publisher

Readers argue over what Anthropic's Fermat formalization by Claude Fable 5.2 really shows, an engineer makes the case that humans still matter, and CoreWeave's bond yield passes 16%. Plus a beep hunted down with five microphones, and Amazon swapping Sonnet for a small decision model.Claude Fable 5.2 and Mythos 5.2 (HN discussion)On Being an Engineer in 2026 (HN discussion)CoreWeave bond yield tops 16% as AI credit stress rises (HN discussion)Locating the source of a mysterious beep (HN discussion)Amazon saves millions by replacing Sonnet 4.6 with Strands Decider (HN discussion)Chapters:(00:00) Intro(00:48) 1. Claude Fable 5.2 and Mythos 5.2(01:33) 1. Claude Fable 5.2 and Mythos 5.2: HN comments(03:12) 2. On Being an Engineer in 2026(04:25) 2. On Being an Engineer in 2026: HN comments(05:59) 3. CoreWeave bond yield tops 16% as AI credit stress rises(07:12) 3. CoreWeave bond yield tops 16% as AI credit stress rises: HN comments(08:33) 4. Locating the source of a mysterious beep(09:45) 4. Locating the source of a mysterious beep: HN comments(10:33) 5. Amazon saves millions by replacing Sonnet 4.6 with Strands Decider(11:41) 5. Amazon saves millions by replacing Sonnet 4.6 with Strands Decider: HN comments(12:28) Wrap-up

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