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MarketsAI

Which company has the best AI Agent end of October?

Polymarket prediction market· Same prices, rules and result

OPEN2 optionsCloses Nov 2, 2026Research 3h ago

Polymarket price · top 2 of 2 options

Anthropic 93%OpenAI 6%

2 options · by chance

OptionChance24hAI analystsTiers 1–2Buy
Anthropic93%+1.0 pts84%1 · 2
OpenAI6%+0.5 pts5%1 · 0

2 options trading, by chance. +16 more on Polymarket For information purposes only. Not investment advice.

1AI analysts

7 AI analysts · each gives every option a chance · updated 3h ago
OptionMarketAI averageAIGap
Anthropic93%84%−9
OpenAI6%5%−1

AI analysts' average · OpenAI

5%

1 pts below the market · 1 AI analyst

Biggest gap

Anthropic: AI 84% vs market 93%, 9 pts below

Each AI analyst's odds and reason for every option are in Plus. The Free preview shows the averages and the gaps.

For information purposes only. Not investment advice.

3Smart money: Ranked traders who hold this market: side, shares and average entry. From Polymarket's public data.

Polymarket's AI rankings traders by 3-month profit · updated 3h ago
OptionHoldingTiers 1–2
Anthropic31 · 2
OpenAI11 · 0

Each cell: holders of Yes · No. Tier 1 ranks 1–10, Tier 2 ranks 11–50.

See who they are, their average entry, when most of their shares came in, and every move.

For information purposes only. Not investment advice. Past performance is not indicative of future results.

Rules Polymarket's rules · the same for all 2 options

This market will resolve according to the company that owns the model that has the highest rank based on the Agent Arena Leaderboard (https://arena.ai/leaderboard/agent) when the table under "Agent Arena" filtered for "Models" is checked on October 31, 2026, 12:00 PM ET. Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent 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 which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking. The resolution source for this market is the Agent Arena Leaderboard found at https://arena.ai/leaderboard/agent. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.Kellian is not affiliated with Polymarket.Show rulesHide rules
Resolution criteria
This market will resolve according to the company that owns the model that has the highest rank based on the Agent Arena Leaderboard (https://arena.ai/leaderboard/agent) when the table under "Agent Arena" filtered for "Models" is checked on October 31, 2026, 12:00 PM ET. Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent 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 which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking. The resolution source for this market is the Agent Arena Leaderboard found at https://arena.ai/leaderboard/agent. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.Kellian is not affiliated with Polymarket.
How markets resolve
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Kellian is not affiliated with Polymarket. For information purposes only. Not investment advice.

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OpenAI · Buy YesOption 2 of 2

Polymarket price · live

Yes7¢
No96¢
Trade on Polymarket

Opens Polymarket in a new tab. Kellian is not affiliated with Polymarket and never holds your money.

Before you decide · OpenAI

  • News51 today · latest 3h
  • AI analysts5% · 1 pts below
  • Tiers 1–21 Yes · 0 No
Paper trading · play money

Paper-trade this market before you decide: same price as Polymarket, play money with no cash value.