Which company has the best AI model end of October?

$3.0M traded on Polymarket, $53K in the past day.

Google

73.9^%

24h ▲3.37d ▲4.3

Anthropic

23.5^%

24h ▼4.57d ▼3.0

How it has moved

Daily close

GoogleAnthropicOpenAI

Every outcome

73.9%Google▲4.3 7d

23.5%Anthropic▼3.0 7d

0.8%OpenAI▲0.1 7d

0.4%Meta▼0.7 7d

In the news

No headline in the past two days has matched this market.

How it settles

This market will resolve according to the company which owns the model which has the highest arena rank based on the arena.ai Text Arena (Overall) when the table under the "Leaderboard" tab is checked on October 31, 2026, 12:00 PM ET. Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall-no-style-control with style control off (Adjustments: None) and filtered for "Models" will be used to resolve this market. Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score. Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie s…

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