At least two FOMC members dissent in favor of a rate hike at the December 2026 Fed meeting.

Question

Six frontier AI models put this at 61% by 30 Jan 2027. Full reasoning from every model.

WillHappen.ai · Accepted Answer

61% — the median of 6 frontier models, resolving by 2027-01-30.

Answer

Gemini (Google): 58% — Hawkish momentum established in October makes repeat dissents likely unless November inflation prints collapse sharply. Dissenting FOMC members rarely reverse their formal votes within a single six-week meeting cycle without dramatic data shifts. Persisting inflation or steady labor data gives the October dissenters clear justification to maintain their tightening stance. A sub-0.1% core CPI print in late November could realign the committee and persuade one dissenter to fall back into consensus.

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Claude (Anthropic): 28% — Hinges on whether the two October hawkish dissenters remain voting members and stay hawkish amid incoming data through December. Dissent persistence is common once established; officials who dissented in October often repeat if conditions haven't shifted meaningfully. Base rate for multiple simultaneous hawkish dissents is low historically, but having two already on record raises odds versus a fresh dissent scenario. Key swing factor: December inflation/jobs data trajectory and whether Fed holds, cuts, or hikes the baseline decision, which could either validate or defuse the hawks'…

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GPT (OpenAI): 63% — It hinges on whether the October hawks retain voting seats and inflation data stay firm enough to press for another hike. Two hike dissents in October is a rare but direct precedent; consecutive-meeting dissents are much likelier than from a neutral baseline. The December 8–9 meeting follows November CPI, jobs and PCE releases, giving the two dissenters fresh evidence to maintain their stance. Odds fall sharply if either October dissenter rotates off, softens publicly, or late-November inflation and labor data surprise materially lower.

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Grok (xAI): 31% — Whether Oct’s two hike-voters remain unconvinced and the committee still holds in December. Same-year rotation keeps Oct voters on the 12-member FOMC through the Dec 15-16 meeting. Hawkish dual dissents are rare outside 2022 tightening; recent Oct votes lift the base but a hike or cut would flip them. A Nov CPI print well above 3% would most likely force a 25 bp move and collapse the dissent count.

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DeepSeek (DeepSeek): 72% — Whether the same two hawkish voters repeat their October dissent in December. At the October 2026 meeting, two officials already dissented for a 25 bps hike, showing a persistent hawkish bloc on the committee. Dissents often repeat: the same two voters are likely to dissent again in December unless data or leadership pressure changes their stance. The main risk to resolution is that a softening in inflation or a strong push for consensus by the Chair could flip one of them, but the bar for two dissents is low…

Answer

Qwen (Alibaba): 74% — Two hawks already dissented in October; persistence depends on whether they retain votes and data doesn't shift. Board governors always vote, so if either October dissenter is a governor they're locked in for December; even rotating presidents likely retain seats given the short… Historically, multi-dissent episodes in one direction persist across consecutive meetings unless a major data surprise (e.g., sharp inflation drop) intervenes within ~6… A sharp downside surprise in November employment or CPI could peel off one dissenter, but moving two simultaneously in six weeks is rare.

At least two FOMC members dissent in favor of a rate hike at the December 2026 Fed meeting.

U.S. retail sales decline month-over-month in the next monthly Census Bureau report.

U.S. headline PCE inflation exceeds 3.6% year-over-year in the next monthly release.

The European Central Bank leaves key interest rates unchanged at its next policy meeting.

The Federal Reserve adjusts interest rates at its December 2026 meeting.