The Fed Kept Interest Rates the Same. Here's Why That Decision Is Complicated.

The Federal Reserve left interest rates unchanged at its July 2026 meeting, Kevin Warsh's second as Fed chair. The Fed's key rate — the one it uses to influence borrowing costs across the economy — stays at 3.625 percent. The decision came with inflation at 3.4 percent over the past year, while core inflation (which excludes food and energy prices) slowed to 2.5 percent, according to July 2026 data released August 12 Reuters.

Those numbers might make it look like the Fed is getting close to its 2 percent inflation goal. They don't tell the whole story. Reuters reported August 14 that inflation was pushed sharply higher earlier in 2026 by the U.S.-Israeli war with Iran, and prices are still rising faster than the Fed wants Reuters. The same report said the Fed may still need to raise rates during 2026, because hitting that 2 percent target remains difficult Reuters.

That cautious stance isn't new. Notes from the Fed's June 16-17, 2026 meeting, published July 8, showed inflation at 3.8 percent for April 2026 and directly tied it to the massive spending on artificial intelligence infrastructure Federal Reserve. The notes also showed that Fed officials are still open to raising rates during 2026 due to worries about inflation Reuters. Fed Governor Cook confirmed the 3.8 percent inflation reading in a May 27 speech Federal Reserve. Governor Barr had put inflation at 3 percent in a February 17 speech, saying it was about the same as a year earlier Federal Reserve.

The reason AI and inflation are tangled together is that smart people disagree about what AI will do to prices. Warsh has said publicly that AI "will be a significant disinflationary force" — meaning it could push prices down by making workers and companies more productive — and that the Fed should cut interest rates accordingly MarketWatch. Vice Chair Jefferson pushed back in a July 16 speech with a more technical point: if AI raises the so-called neutral rate — the interest rate level where the Fed is neither pressing the gas nor hitting the brakes on the economy — then the current rate might actually be stimulating the economy more than it looks Federal Reserve.

Think of it like a car's cruise control. If the road gets steeper, the same cruise control setting that kept you at a steady speed on flat ground will now slow you down. The setting hasn't changed, but what it does has. Jefferson is saying AI might be changing the road.

Jefferson had previously argued in a November 7, 2025 speech that AI could help the economy grow faster through productivity gains while also reducing inflation Federal Reserve. MarketWatch separately reported that generative AI could improve the quality and speed of the Fed's own economic forecasting models, helping officials make better interest-rate decisions MarketWatch.

There's also a change coming to how the Fed measures inflation. MarketWatch reported in July 2026 that an update to the Fed's preferred inflation tracker — called core PCE — could mechanically lower the reported inflation rate by 0.2 to 0.3 percentage points, from its current 3.4 percent yearly reading MarketWatch. That's like changing the ruler you measure with: the thing you're measuring hasn't changed, but the number comes out smaller.

The Bureau of Labor Statistics continues to publish inflation details across spending categories including personal computers, smart home assistants, and telephone hardware, indexed to a 1982-84 baseline BLS, BLS. The next inflation report, covering August 2026, is scheduled for September 11, 2026 BLS.

What this means for the path ahead is that the Fed is juggling several competing forces at once. The Iran war pushed prices up and that effect is still showing up in the data. The AI spending boom is simultaneously driving up demand — which pushes prices higher — and potentially driving up productivity, which could push prices lower. Jefferson's point about the neutral rate matters a lot here: if that underlying rate is rising, then today's 3.625 percent interest rate is less of a brake on the economy than the same number would have been two years ago, meaning the Fed has less room to wait and see. And the upcoming change to how inflation is measured could make the numbers look better without anything actually improving.

Traders expect the Fed to hold rates steady again at its September meeting, which matches the latest Reuters reporting on market positioning Reuters. The harder question is what happens after that. With Fed officials divided, the debate about AI's effect on interest rates just getting started, the Iran war's inflation impact still fading, and the inflation yardstick about to be redefined, the September meeting may settle less than people expect.