Google have the best AI model at the end of December 2026 priced at 39.5% on Polymarket, on $301K traded

Google’s probability of having the best AI model at the end of December 2026 stood at 39.5% on Polymarket, with $301K traded, in the snapshot published Oct 18, 2026 · 10:54 AM ET. The December best-model contract ranks among the most-traded technology markets.

Volume, not momentum

According to predictionbubbles.net, its technology-market rankings are based on total traded volume, distinct from its rankings of absolute probability changes over the last 24 hours. The $301K figure therefore describes trading activity, not whether confidence in Google has recently risen or fallen.

The supplied material does not include the contract’s 24-hour price change, competing outcomes’ probabilities or the criteria for determining the “best” model. The 39.5% price alone does not establish whether Google leads other contenders.

A periodically refreshed snapshot

PredictionBubbles tracks 57 open technology markets across Kalshi and Polymarket: 13 on Kalshi and 44 on Polymarket, according to the site. Its data refreshes every 15 minutes, while trading on the underlying venues is continuous. The reported Google probability is consequently a snapshot rather than a fixed assessment.

What it means for prediction markets

• Probability is not a ranking: Google’s 39.5% market-implied chance is below 50%, but competitors’ prices are needed to determine its relative position.
• Activity is not direction: The $301K traded supports the contract’s placement among active tech markets; it does not show recent probability momentum.
• Resolution criteria matter: The supplied material does not explain how model leadership will be judged at the end of December 2026.
• Refresh timing matters: PredictionBubbles’ 15-minute updates can differ from prices available on the continuously trading venue.