Which company has the best AI Agent end of October?

Polymarket Tech › AI Closes Oct 31 · $124 today · $81.2K traded · $6.7K at stake · prices read 9 min ago

The odds

89%Anthropic

Anthropic89%▲ 1
OpenAI5%
Google4%
Meta1%
Z.ai<1%
SpaceXAI<1%
Alibaba<1%
Moonshot<1%
DeepSeek<1%
Xiaomi<1%
MiniMax<1%
Nvidia<1%

6 more

ByteDance<1%
Baidu<1%
Amazon<1%
Mistral<1%
Meituan<1%
Microsoft<1%

How the odds have moved

Not enough history yet.

Each outcome's chance over time on Polymarket. The dots along the bottom are headlines about its subject: point at one to read it.

Every outcome

Outcome	Chance	Day	Bid	Ask	Pays	Traded
Anthropic	89%	▲ 1	89¢	90¢	$1.11	$41.3K
OpenAI	5%		4¢	6¢	$16.67	$13.8K
Google	4%		2¢	5¢	$18.52	$5.8K
Meta	1%		0¢	2¢	$50.00	$4.8K
Z.ai	<1%			0¢		$372
SpaceXAI	<1%			0¢		$3.1K
Alibaba	<1%			0¢		$1.8K
Moonshot	<1%			0¢		$1.8K
DeepSeek	<1%			0¢		$1.6K
Xiaomi	<1%			0¢		$511
MiniMax	<1%			0¢		$1.2K
Nvidia	<1%			0¢		$464
ByteDance	<1%			0¢		$822
Baidu	<1%			0¢		$335
Amazon	<1%			0¢		$660
Mistral	<1%			0¢		$1.5K
Meituan	<1%			0¢		$675
Microsoft	<1%			0¢		$509

"Pays" is what a $1 stake returns if that outcome happens, at the price shown (before any fees). Bid and ask are the best prices to sell and buy "Yes".

The news: AI Agent

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No recent headlines name this market's subject.

Related markets

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Tech › AI

Which company has the best AI Agent end of November?

75%Anthropic

Anthropic75%▲ 1
OpenAI15%
Google4%▲ 1

16 more

Alibaba4%▲ 1
SpaceXAI1%
DeepSeek1%
Baidu1%
Moonshot<1%
Xiaomi<1%
MiniMax<1%
ByteDance<1%
Amazon<1%
Mistral<1%
Meituan<1%
Microsoft<1%
Tencent<1%
Z.ai<1%
Meta<1%
Nvidia<1%

Tech › AI

Anthropic announces bankruptcy by...?

24%December 31, 2029

December 31, 202710%
December 31, 202817%▼ 2
December 31, 202924%

Tech › AI

DeepSeek market share this week (DeepSeek market share - Oct 19, 2026)

26.29%median

21.6%29%

Median 26.29%Middle half 25.18% – 27.28%

Tech › AI

Next Fable Model (5.2+) released by...?

Oct 26, 2026even chance by

October 2121%▼ 26
October 2240%▼ 30
October 2442%▼ 30

2 more

October 3175%▼ 7
December 3198%

Tech › AI

Which company has the best AI model end of October?

73%Google

Google73%▲ 2
Anthropic25%▼ 4
OpenAI1%

18 more

Meta<1%
Alibaba<1%
Moonshot<1%
Baidu<1%
Z.ai<1%
Xiaomi<1%
SpaceXAI<1%
DeepSeek<1%
Amazon<1%
ByteDance<1%
Nvidia<1%
Thinky<1%
MiniMax<1%
Mistral<1%
Meituan<1%
Tencent<1%
StepFun<1%
Microsoft<1%

Tech › AI

Will Anthropic’s valuation hit __ by December 31?

$2.1Thigh with an even chance

Traders see an even chance of trading as high as $2.1T.

Reaches $1.5T91%
Reaches $1.75T69%

Falls to $800B4%
Falls to $700B4%

Already reached: ↑$1.25T, ↑$1.1T, ↑$1.0T

Odds are traders' prices on Kalshi, Polymarket, ForecastEx and Crypto.com, not forecasts by 4Search. Prices read from the venues 5 min ago. Prices may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts. Not betting or investment advice.

About this market

VenuePolymarket

Trading closesOct 31, 2026 11:59 PM ET

Traded$81.2K

Today$124

This week$81.2K

At stake$6.7K

In the news231 headlines today, 1,503 this week

Followed here sinceOct 19, 2026

The rules

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

The full rules are on the market's page at Polymarket.

Prices it is about

Amazon.com, Inc.AMZN · about the company262.45+4.98%
Alibaba Group Holding LimitedBABA · about the company108.57−0.49%
Baidu, Inc.BIDU · about the company79.78−0.45%
Alphabet Inc.GOOGL · about the company344.18+1.05%
Meta Platforms, Inc.META · about the company705.44−0.55%
Microsoft CorporationMSFT · about the company533.52+0.84%
NVIDIA CorporationNVDA · about the company217.09+1.38%

From 4Search Finance. Prices may be delayed up to 15 min. Not investment advice.

Reading the odds

A prediction market trades contracts that pay $1 if something happens. Its price is the market's chance: a contract at 62¢ means traders give it 62%. Each number here is the midpoint between the best bid and offer, or the last trade when they are more than ten cents apart.

For a question with many answers (who wins, which range a number lands in), the chances are scaled to add up to 100%. A price ladder ("above 4.25%, above 4.50% ...") gives a whole distribution: its median is where traders see an even chance either way.

Kalshi is a U.S. exchange regulated by the CFTC; its money is counted in contracts, shown here as dollars at their price. Polymarket counts dollars. ForecastEx is Interactive Brokers' exchange, regulated by the CFTC; its contracts too are shown as dollars at their price. Crypto.com lists its markets on Crypto.com | Derivatives North America, a U.S. exchange regulated by the CFTC; it reports the dollars traded. Where more than one asks the same question, each is shown, never averaged.

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Prediction-market prices are what traders pay for each outcome on Kalshi, Polymarket, ForecastEx and Crypto.com, read as the market's implied chance. They are not forecasts by 4Search, can move fast and can be wrong; they are read every few minutes and may be delayed. Money traded on Kalshi and ForecastEx is estimated from contracts at their price. News comes from the 4Search index; prices of stocks, rates and coins from 4Search Finance. Nothing here is betting, financial or investment advice. Terms of use.