The Federal Reserve raises its benchmark interest rate at its October 2026 meeting.

Question

Six frontier AI models put this at 20% by 30 Oct 2026. Full reasoning from every model.

WillHappen.ai · Accepted Answer

20% — the median of 6 frontier models, resolving by 2026-10-30.

Answer

Gemini (Google): 31% — Hikes depend on September core inflation surprising high enough to force back-to-back policy tightening. A 'live chance' in Fed funds futures historically corresponds to a 25% to 35% priced probability of an immediate follow-up hike. The FOMC rarely accelerates tightening without multiple hot CPI and jobs reports, giving inertia and pause the upper hand. A downside print in the October 14 CPI release would immediately take an October hike off the table.

Answer

Claude (Anthropic): 3% — Fed policy trajectory in 2025-2026 has been cutting/holding, not hiking, absent an inflation shock. Current Fed stance through 2026 has been dominated by easing cycle discussions, not tightening, given labor market softness concerns. A hike would require a sharp inflation resurgence or upside surprise data between now and the October 2026 FOMC meeting, which is not the base case. Base rate for a hike at any given meeting during an easing/holding cycle is very low, historically under 5%, absent clear inflationary catalysts.

Answer

GPT (OpenAI): 17% — It turns on whether September inflation and jobs data force the FOMC to reverse a likely easing-or-hold posture within one meeting. The FOMC must vote for a higher target range at its October 27–28 meeting, after receiving September CPI and employment data. One-meeting reversals from a prior hike are uncommon; October meetings have historically more often held rates absent a sharp inflation surprise. A hot September CPI or renewed wage acceleration would lift this sharply, while benign core PCE keeps a hold far more likely.

Answer

Grok (xAI): 32% — Whether incoming data in the next four weeks force a second consecutive hike after the implied September increase. FOMC meets Oct 27-28; CPI (Oct 15) and payrolls (Oct 2) must both surprise hot enough to override the usual skip. Consecutive hikes after a pause occur in <20% of cycles; markets already price a live (not majority) chance, so this sits modestly above that base. A 0.4pp+ CPI miss or 50k+ jobs beat would flip the call; otherwise they hold.

Answer

DeepSeek (DeepSeek): 22% — Whether inflation data between now and Oct 28 forces the Fed to hike again after already tightening. The FOMC meets Oct 27-28, 2026; a hike requires a majority vote, and the bar is high after a prior increase. Base rate for consecutive-meeting hikes is low historically, but the context says markets price a live chance, implying recent inflation upside surprises. The key swing factor is the September CPI print due mid-October; a hot core reading above 0.4% m/m would sharply raise odds.

Answer

Qwen (Alibaba): 18% — Depends on whether inflation reaccelerates enough in Q3 2026 to override the Fed's easing bias. The Fed has not raised rates at consecutive meetings since 2023; base rate of a hike after a prior hike in the same cycle is low (~15%). Current context says markets price a 'live chance' post-hike, implying the hike already happened—so this is about a second consecutive hike, which requires persistent… A sharp tariff pass-through or energy shock in Q3 data (CPI due Oct 15) would be the main catalyst to move this above 30%.

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