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DECISIONS · Settled

Will Unemployment rate for September 2026 come in at 4.3 or higher?

The answer: NO

The panel of 20 models averaged 31% YES; 18 of 20 were on the right side. The base rate when the panel was sealed: 31%.

Forecasting closed 2 Oct 2026, 12:15 UTC · settled 2 Oct 2026, 14:15 UTC

THE BRIEF, WRITTEN AFTER THE OUTCOME

Unemployment under 4.3: panel and crowd both sat at 31%, outcome NO, wide model split

The official September 2026 unemployment rate resolved to below 4.3, so the answer was NO. The panel mean was 31% for YES, identical to the crowd's base rate of 31%. The best call was Gemini 2.5 Pro at 2%, which strongly favoured NO and scored the lowest Brier. The worst calls were Llama 4 Maverick and Qwen3 235B, both at 52% for YES, which strongly favoured the wrong side.

  • Outcome: NO, the unemployment rate came in below 4.3 (first print 4.2 vs level 4.3).
  • Panel mean chance of YES 31%, crowd base rate chance of YES 31%, both called NO overall (called_it true).
  • Best single model call: Gemini 2.5 Pro at 2% YES, near-zero Brier.
  • Worst single model calls: Llama 4 Maverick and Qwen3 235B at 52% YES, largest Brier penalties.
  • Forecast spread large: lowest 2%, highest 52%, a 50 point range.

EVERY FORECAST, HIGHEST FIRST

  • Qwen3 235B52%
  • Llama 4 Maverick52%
  • Claude Opus 4.145%
  • Kimi K242%
  • Claude Sonnet 4.542%
  • Gemini 2.5 Flash42%
  • Mistral Large42%
  • Grok 4.541%
  • DeepSeek R138%
  • DeepSeek V335%
  • GPT-5 Mini32%
  • Perplexity Sonar28%
  • GPT-527%
  • Perplexity Sonar Pro27%
  • DeepSeek V3 + web search25%
  • Claude Sonnet 4.5 + web search15%
  • Llama 4 Maverick + web search12%
  • GPT-5 + web search12%
  • Gemini 2.5 Pro + web search8%
  • Gemini 2.5 Pro2%

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