Pronóstico: Next GPT Model: Text Arena Debut?

Platform comparison

Market context

OpenAI’s next GPT model must hit a specific score on Arena.AI’s text leaderboard the day after its debut to trigger a “Yes” settlement, yet the market prices this outcome at just 3% today. On Polymarket, traders are using USDC on Polygon to buy conditional tokens representing this binary event, with the low implied probability suggesting the crowd expects the model to either miss the score threshold or fail to appear on the leaderboard within the 2026 window.

Historical patterns show OpenAI’s frontier models typically debut with strong scores, but the 3% price likely reflects uncertainty about the specific threshold set for this contract rather than a lack of model capability. Previous Arena.AI entries like GPT-5.4 and GPT-5.5 secured mid-tier rankings, while the current frontrunner for a separate “score” market sits at 1450+ with 93% probability, indicating traders expect high performance but doubt it will meet this particular market’s strict condition [5].

Key catalysts include OpenAI’s official release announcements and the exact date the model first appears on the Arena.AI text leaderboard, as the score is locked at 12:00 PM ET the following calendar date. Traders should monitor OpenAI’s community channels and the live leaderboard updates, especially given that GPT-5.5 Pro currently leads some external rankings as of July 2026, which may influence expectations for the next iteration [3]. Any delay in the model’s public release or a lower-than-expected initial score would cement the “No” outcome before the 2026 deadline.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Qué Es, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.