Dario Amodei, the C.E.O. of the A.I. company Anthropic, has been predicting that an artificial intelligence “smarter than a Nobel Prize winner” in such fields as biology, math, engineering, and writing might come online by 2027. In June, Sam Altman, of OpenAI, wrote that the industry was on the cusp of building “digital superintelligence.” “The 2030s are likely going to be wildly different from any time that has come before,” he asserted. Meanwhile, the A.I. tools that most people currently inte