The Federal Reserve’s September meeting marked a decisive turn: officials lifted rates by a quarter point to 3.75%-4%, the first increase since July 2023, with all 12 voting members in support. The subsequent minutes show that the move did not settle the argument over how far the central bank must go to tame inflation.¹

Most policymakers expected at least one further increase by year-end, and many argued that higher rates would provide “insurance” against inflation staying above target amid unexpectedly strong demand or fresh supply shocks.¹ Several also said policy had been “not restrictive or only mildly restrictive” — a blunt assessment that borrowing costs may still not be cooling demand enough.²

The emerging concern is not merely broad consumer demand. Officials focused on the AI buildout: its appetite for investment, financing and power could turn sector-specific cost shocks into a wider inflation problem. A couple of participants said a higher policy rate could stop energy disruptions and “AI-related demand” from “broadening out and generating more persistent inflation dynamics.”²

That framing shifts the emphasis in the inflation debate. Fed officials are increasingly identifying the artificial-intelligence buildout, rather than tariffs, as an explanation for persistently rising goods prices.³ The same AI surge is supporting stronger growth, investment and wages in some sectors — benefits that complicate, rather than erase, the inflation risk.

Yet the minutes also record restraint. New York Fed President John Williams said there was “no need for urgency,” while Vice Chair Philip Jefferson suggested policymakers may need more time to determine whether another increase is warranted.² For now, the Fed’s message is uneasy rather than conclusive: AI may be strengthening the economy, but it could also make the final mile back to 2% inflation markedly harder.