Resolution criteria on PolyGram: This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the "Leaderboard" tab is checked on December 31, 2026, 12:00 PM ET. Results from the "Rank" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market. 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.
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.
Market outcomes
| 24% YES | 77% NO | |
| OpenAI | 24% YES | 77% NO |
| Z.ai | 17% YES | 83% NO |
| DeepSeek | 6% YES | 95% NO |
| Mistral | 16% YES | 85% NO |
| Microsoft | 10% YES | 91% NO |
| Amazon | 14% YES | 87% NO |
| ByteDance | 17% YES | 84% NO |
The Chatbot Arena Leaderboard ranks language models by Elo rating derived from head-to-head comparisons conducted by users. The market resolves to whichever company owns the highest-ranked model on 31 December 2026, as measured by the leaderboard's rank column with style control disabled. Current order book pricing implies a 38% probability that a specific company (likely OpenAI, Anthropic, Google, or Meta based on historical dominance) holds the top position at year-end 2026.
Historical leaderboard dynamics show significant volatility in rankings over quarterly periods. OpenAI's GPT-4 variants have held top positions since late 2023, though Anthropic's Claude 3 family and Google's Gemini have periodically challenged that standing. The 38% implied probability reflects genuine uncertainty about which organisation will achieve the strongest benchmark performance eighteen months forward, rather than consensus around a clear favourite. Leaderboard composition shifts as new models launch and existing ones receive updates, making sustained leadership difficult to predict.
Key catalysts include scheduled model releases from major developers—Anthropic, OpenAI, Google, and Meta all maintain active development pipelines. Leaderboard methodology changes could alter how models are ranked, though the market specifies the current Elo-based approach. Funding announcements and compute infrastructure developments may signal capability trajectories. Recent competitive releases suggest the race remains genuinely contested, with no single organisation demonstrating insurmountable technical advantage. The settlement date allows approximately two major release cycles for each major developer, creating genuine optionality around which company's latest iteration performs strongest.
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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.
The mechanics for trading "Which company has best AI model end of 2026?" 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.
$250 in lifetime turnover and $199K of resting liquidity puts this market in the below the median by volume for tech contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $250 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
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.
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.
This prediction market is scheduled to close on 31 December 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.
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.
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.
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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