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AI · Polymarket

Will OpenAI have the best AI model on LiveBench (Mathematics) at the end of September 2026?

Trade on Polymarket →
62.00%
Mon 03Wed 05Fri 07Aug 09Tue 11Thu 13Sat 15Mon 17Wed 19Fri 21Aug 23Tue 25Thu 27Sat 29Mon 31SeptemberThu 03Sat 05Mon 07Wed 09Fri 11Sep 130102030405060708090%62.00%MODEL PROJECTION
Model projection: 62.8% in 14d (51.5–72.8%)+0.00pt/dayaccuracy →

Stats

24h Volume
$120
Momentum
+0.00pt/day

Live Order Book Depth

Spread
4.0¢ (6.5%)
Mid Price
62.0¢
Total Depth
$754
Bid/Ask Imbalance
26% bid
Bids (Buy)
60.0¢62
59.0¢60
58.0¢10
57.0¢20
54.0¢37
53.0¢40
51.0¢20
50.0¢20
Asks (Sell)
64.0¢86
66.0¢177
69.0¢95
70.0¢20
72.0¢29
75.0¢20
90.0¢100
91.0¢5
Estimated Slippage to Buy "Yes"
walking the real book
$100 order
64.89¢+1.39%
avg fill · slippage
$1,000 order
78.53¢+22.71%
avg fill · slippage
Book too thin to fill fully
$10,000 order
78.53¢+22.71%
avg fill · slippage
Book too thin to fill fully

Compare Across Platforms

Not listed on another platform we track — but this looks like it might be the same real-world bet (unconfirmed):

ManifoldOpenAI's latest flagship public model unavailable through a Cursor subscription on December 31, 2026?
84.14%
Same bet?

Frequently Asked Questions

What is the current probability for "Will OpenAI have the best AI model on LiveBench (Mathematics) at the end of September 2026?"?

As of the latest update, Polymarket prices this at 62.00%, based on $120 in tracked 24h trading volume.

When does this market close?

This contract is scheduled to resolve on or around October 1, 2026, per Polymarket's listed close time.

Where can I trade this market?

This contract trades live on Polymarket. You can view the live order book and trade it directly at the source link on this page.

Is this market listed on other prediction platforms?

Not currently listed on another platform PredictRankd tracks (Kalshi, Manifold, PredictIt, Limitless, Smarkets, Futuur), or no confidently-verified match was found.