What to Make of the Anthropic Warning
Maggie Appleton and Kevin Roose on AI, personal benchmarks, and the Navier–Stokes proof
Sep 13, 2026 · 8 min readUpdated Oct 5, 2026
Hello, and happy Sunday. After a former Anthropic engineer left the company with a public warning about AI risk, I raised the question at a team meeting, and Kaushik Viswanath reports on what his new colleagues made of the question. Some housekeeping: Tickets to the Thesis: 2027 After Party are now on sale for Every subscribers, and conference ticket prices go up next week.—Kate Lee
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The AI slowdown argument goes mainstream
What happened: On Saturday, Anthropic CEO Dario Amodei published an essay arguing that AI companies should deliberately slow the rate at which they improve their models, because advances are outrunning researchers’ ability to understand and control them. Hours later, OpenAI’s Sam Altman endorsed the idea and committed his company to one of Amodei’s proposed safeguards—independent evaluators with employee-like access to models and staff. Elon Musk agreed, too.
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