TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Science and Technology
Which company has the second best AI model end of May?
polymarket

Which company has the second best AI model end of May?

Volume:
$271,020

Anthropic

 - Polymarket

Anthropic - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 1, 2026

Closed: May 30, 8:00 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Anthropic

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$62,364
N/A
N/A
N/A
Settled
Yes
polymarket

Google

0%
Yes 0¢No 100¢
—
N/A
$32,996
N/A
N/A
N/A
Settled
No
polymarket

OpenAI

0%
Yes 0¢No 100¢
—
N/A
$31,242
N/A
N/A
N/A
Settled
No
polymarket

xAI

0%
Yes 0¢No 100¢
—
N/A
$25,177
N/A
N/A
N/A
Settled
No
polymarket

Meta

0%
Yes 0¢No 100¢
—
N/A
$21,972
N/A
N/A
N/A
Settled
No
polymarket

Amazon

0%
Yes 0¢No 100¢
—
N/A
$19,778
N/A
N/A
N/A
Settled
No
polymarket

Moonshot

0%
Yes 0¢No 100¢
—
N/A
$14,513
N/A
N/A
N/A
Settled
No
polymarket

Z.ai

0%
Yes 0¢No 100¢
—
N/A
$13,623
N/A
N/A
N/A
Settled
No
polymarket

Mistral

0%
Yes 0¢No 100¢
—
N/A
$12,254
N/A
N/A
N/A
Settled
No
polymarket

ByteDance

0%
Yes 0¢No 100¢
—
N/A
$8,657
N/A
N/A
N/A
Settled
No
polymarket

Alibaba

0%
Yes 0¢No 100¢
—
N/A
$8,458
N/A
N/A
N/A
Settled
No
polymarket

Meituan

0%
Yes 0¢No 100¢
—
N/A
$5,995
N/A
N/A
N/A
Settled
No
polymarket

Baidu

0%
Yes 0¢No 100¢
—
N/A
$5,222
N/A
N/A
N/A
Settled
No
polymarket

DeepSeek

0%
Yes 0¢No 100¢
—
N/A
$4,736
N/A
N/A
N/A
Settled
No
polymarket

Microsoft

0%
Yes 0¢No 100¢
—
N/A
$4,033
N/A
N/A
N/A
Settled
No
polymarket

Company A

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company C

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company E

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company G

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company I

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company K

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company M

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Other

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company B

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Company D

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 25 of 29

Intro

This market tracks which company will own the second-ranked AI model according to the Chatbot Arena LLM Leaderboard. On Polymarket, Anthropic holds 99.3% probability of holding the second-best position, while OpenAI stands at 0.5%. The resolution will be determined by checking the Text Arena Overall Leaderboard rankings at https://lmarena.ai/ on May 31, 2026, at 12:00 PM ET, with ties broken by Arena score and then alphabetical order of company names. Watch the Chatbot Arena rankings as May 31, 2026 approaches to see which models climb or fall in the standings.

Frequently asked questions

The dashboard tracks real-time odds and trading activity for the question of which company will have the second best AI model at the end of May 2026 on Polymarket. It displays current market prices, historical price movements, and 24-hour trading volume of $1,149 across all outcomes. The dashboard aggregates total group volume of $271,020 to show overall market interest and liquidity. Traders use this data to monitor shifting sentiment about leading AI developers and their competitive positioning as the resolution date approaches.

Prediction market odds on Polymarket reflect real-money trader conviction and often diverge from traditional analyst forecasts. While analysts may rely on published benchmarks, research papers, and expert opinion, prediction markets incorporate forward-looking sentiment from participants with financial stakes in the outcome. Comparing market odds to analyst reports and industry surveys reveals where traders see gaps in consensus. This event's active trading volume suggests strong market interest in AI model rankings, potentially signaling trader confidence in specific outcomes that may differ from published expert assessments.

The market resolves on May 31, 2026. Resolution hinges on determining which company holds the second-best AI model at that specific moment. This requires evaluating available models against established benchmarks, performance metrics, and industry consensus at the time. The outcome depends on which AI systems are publicly available, their demonstrated capabilities, and how they rank relative to competitors. Factors include model release dates, published evaluation results, and recognized performance standards in the AI research community as of the resolution date.

Major AI model releases or announcements from leading companies could significantly shift market odds. Benchmark results, academic papers demonstrating new capabilities, and public evaluations of model performance will influence trader expectations. Competitive developments such as partnerships, funding announcements, or strategic pivots by AI companies may alter perceived rankings. Regulatory changes affecting AI development or deployment could impact which models are considered viable contenders. Media coverage of AI breakthroughs and industry commentary on relative model quality will also drive trading activity and price movements toward resolution.