3+ day, 6+ hour ago   (192+ words) In “An alignment assessment of recent cybersecurity incidents” (Sep 9, Anthropic), the safety-first lab disclosed four cases of Claude models reaching real third-party systems through a misconfigured evaluation harness — then handed an independent nonprofit the keys to grade its own post-mortem....

5+ day, 4+ hour ago   (238+ words) Bloomberg reports Anthropic completed due diligence on Israeli AI startup Decart and chose not to proceed — a capital-allocation decision that says more about the frontier lab’s pre-IPO priorities than any deal it has signed. Decart Valuation Ladder · Key Numbers Discussed…...

1+ week, 1+ day ago   (582+ words) A complete, sorry-free Lean formalization of FLT now exists in a public repository — verified not by Anthropic, but by Kevin Buzzard, the Imperial College mathematician leading the competing human effort who downloaded it, compiled it, and confirmed it holds. VERIFICATION…...

1+ week, 4+ day ago   (539+ words) Anthropic published research intentionally training a reward-hacking model to study misalignment — and Theo Browne gave it a blunter name than Anthropic did. “They refer to it as hacker Opus, but I’ll say what it is. It’s evil Opus.” The key…...

1+ week, 4+ day ago   (289+ words) On September 1, 2026, Anthropic’s headline per-token prices did not move — but the price of a cache read fell 75%, and that single line item is the entire story about who Anthropic is building for next. Claude Fable 5.1 — Pricing Snapshot · Sep 1, 2026 Input · per…...

2+ week, 4+ day ago   (346+ words) As reported by The Wall Street Journal (via Investing.com) and The Motley Fool; the figures below are Anthropic’s reported pitch to investors, not an audited filing. SpaceX prices its public listing and pitches a $28.5 trillion total addressable market — described…...

2+ week, 5+ day ago   (341+ words) Based on reporting by The Information. The frontier model labs are reaching down, one layer at a time, into the silicon, power, and data centers their models actually run on — because they no longer trust the open market to supply…...

3+ week, 4+ day ago   (342+ words) Based on Anthropic’s research report, with independent wet-lab testing by Adaptyv Bio and Twist Bioscience. In a season dominated by proof of funding, Anthropic published a proof of work — an AI system that autonomously orchestrated existing tools to produce physically…...

4+ week, 1+ day ago   (340+ words) The FourWeekMBA Daily — the last two days in AI, told through the Business Engineer lens. The two-day story from Aug 13–14 is not about who has the best model. It is about who can run one cheapest and who can build…...