Openai

Trade: Which company's AI will first hit 1500 on Chatbot Arena by June 30?

Opened 14 October 2025 · Settles 30 June 2026 · 17 comments

Resolution criteria on PolyGram: This market will resolve according to the listed entity which is the first to reach an Arena Score of 1500+ on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) by June 30, 2026, 11:59 PM ET. Results from the "Arena Score" section on the Leaderboard tab of https://lmarena.ai/ with the style control unchecked will be used to resolve this market. If no company's model reaches 1500 Arena Score by the specified time, this market will resolve to "None by June 30". If the first model to reach a 1500+ Arena Score belongs to any company other than the listed ones, this market will be resolved to "Other".

PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.

Liquidity: —
Total Volume: $611K
24h Volume: —
Open Interest: $0

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Market outcomes

Anthropic	100% YES	0% NO
Other	0% YES	100% NO
Company D	0% YES	100% NO
Company H	0% YES	100% NO
Company L	0% YES	100% NO
Company P	0% YES	100% NO
Company T	0% YES	100% NO
Company X	0% YES	100% NO

Market context

The Chatbot Arena leaderboard tracks large language models through comparative evaluation, with an Arena Score reflecting relative performance across thousands of user-submitted comparisons. OpenAI currently commands the market's full confidence at 100% implied probability, reflecting GPT-4o's sustained position near the leaderboard's top rankings. The settlement criterion requires a model to breach 1500 points by 30 June 2026—a threshold that contextualises performance against the leaderboard's historical scaling patterns and current score distributions.

Historical precedent suggests caution in reading this probability. Previous leaderboard competitions have seen rapid shifts when new model releases arrive; Claude 3.5 Sonnet and Gemini 2.0 have each moved substantially on the rankings following deployment. The 1500-point threshold itself remains untested territory—current top performers cluster between 1300 and 1400 points, meaning the market is pricing near-certainty for a ~100-point advancement within eighteen months. This compressed odds structure may reflect either genuine confidence in OpenAI's development trajectory or insufficient price discovery given the long settlement window.

Traders should monitor quarterly model releases from Anthropic, Google, and Meta, alongside any architectural announcements from OpenAI. Recent reports from December 2024 indicated intensifying competition in reasoning-focused benchmarks, though Chatbot Arena's comparative methodology differs substantially from standardised test suites. The leaderboard's voting mechanism remains subject to user-base composition shifts, which could influence score trajectories independent of underlying model capability. Polymarket's order book currently shows minimal depth at alternative outcomes, suggesting limited arbitrage opportunity unless new information reshapes expectations around competitor development timelines.

Wikipedia Context

The White Company
The White Company is a historical adventure novel by British writer Arthur Conan Doyle, set during the Hundred Years' War. The story is set in England, France and Spain, in the years 1366 and 1367, against the background of the campaign of Edward the Black Prince, to restore Peter of Castile to the throne of the Kingdom of Castile. The climax of the book occ
Which (command)
In computing, which is a command for various operating systems used to identify the location of executables. The command is available in Unix and Unix-like systems, the AROS shell, for FreeDOS and for Microsoft Windows. The functionality of the which command is similar to some implementations of the type command. POSIX specifies a command named command that
The White Company (retailer)
The White Company (U.K.) Limited, trading as the White Company, is a retailer of bedroom, home, clothing, and fragrance goods, whose 32,000-square-foot (3,000-square-metre) head office is located at Television Centre, London.

How this market resolves

Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.

How to trade this market step by step

The mechanics for trading "Which company's AI will first hit 1500 on Chatbot Arena by June 30?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.

Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.

How active is this market?

$611K in lifetime turnover and $0 of resting liquidity puts this market in the top 2% by volume for openai contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.

The market has been open for 7 months — long enough that the order book is mature and price is well-anchored to fundamentals.

Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.

Key terms

YES / NO share: A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.
CLOB: Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.
Liquidity: USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.
UMA optimistic oracle: The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.
Slippage: The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.
Conditional token: ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.

See the full prediction-market glossary →

Frequently asked questions

How does this market resolve?

Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.

When does this market close?

This prediction market is scheduled to close on 30 June 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.

How can I trade on "Which company's AI will first hit 1500 on Chatbot Arena by June 30?"?

To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.

What happens when the market resolves?

When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.

Risk and regulatory note

Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.

Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.

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