Signal Feed05/27/2026, 09:11:19 PMKarpathy calls this era "formative." Altman has complicated feelings. — AI voices digest, May 20–27The week's top signal: Karpathy joined Anthropic calling the frontier years "especially formative"; Altman announced an OpenAI model solved an open math problem; Andrew Ng intervened on immigration and Harvard policy as the real AI bottlenecks; swyx questioned whether transformer scaling can reach AGI.