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PolymarketCloses January 1, 2027

Highest OpenAI score on Humanity’s Last Exam in 2026?

A ladder on one number: the likeliest rung is 55%+ at 84% on Polymarket, as of Oct 10, 16:25 UTC. It's up 1.5 points in the last 24 hours.

55%+ 84% ▲ 1.5 pts · 24h

The odds

as of Oct 10, 16:25 UTC
  • 55%+ 84% +1.5
  • 60%+ 42% −5
  • 65%+ 23% −1.5
  • 70%+ 7.5% —

A ladder: each line is its own yes/no question on the same number, in order, so the chances don't add up to 100%.

Traded today$2K
Traded in all$132K
Favourite, 7 days+7 pts

55%+, the last 7 days

Polymarket price
25%50%75%Oct 2Oct 1084%

Oct 3: 83% · Oct 4: 83% · Oct 5: 85% · Oct 6: 84% · Oct 7: 83% · Oct 8: 84% · Oct 9: 83% · Oct 10: 84%

How it resolves

Polymarket's rule, word for word
This market will resolve to "Yes" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". For resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric. The resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable during the listed timeframe, this market will remain open to allow the relevant data to become available again. If the source remains unavailable after the end of the listed timeframe or is otherwise confirmed to be permanently unavailable, official Humanity’s Last Exam results published elsewhere may be used. If no official alternative source is available, this market will resolve to "No".
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