Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
90% | 10% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31, 2026 | 90% |
| September 30, 2026 | 62% |
| August 31, 2026 | 21% |
| August 21, 2026 | 14% |
| August 14, 2026 | 4% |
| July 31, 2026 | 0% |
| December 31, 2025 | 0% |
| March 31, 2026 | 0% |
| August 7, 2026 | 0% |
| June 30, 2026 | 0% |
Market context
OpenAI has not publicly launched **GPT-6** and, as of the latest reporting in the search set, the closest comparable release was **GPT-5.5**, not a new sixth-generation model. That matters because a 0% crowd price is effectively saying the market sees no credible path to a named GPT-6 reaching the general public before the 2025 year-end settlement date, especially after OpenAI’s 2025 guidance that GPT-6 would not arrive that year.[1][17]
The best historical guide is OpenAI’s recent pattern of shipping major capability jumps under different branding, then rolling them out publicly after a period of internal training and evaluation. In April 2026, the codename “Spud” was reported as having finished pre-training on 24 March and then shipped on 23 April as GPT-5.5, with no architecture, pricing, or launch date ever published for GPT-6 itself.[1][13][14] That sequence shows how easily expectations can be reset by a rebrand or a delayed public label, which is the main risk for anyone betting on a literal “GPT-6” release rather than a broader next-model launch.[1][13]
The main catalysts to watch are any OpenAI product announcements, model-release notes, or ChatGPT/API rollout pages that explicitly use the GPT-6 name, plus signs of a public waitlist rather than a private preview.[10][17] If OpenAI continues bundling upgrades into GPT-5.x or other labels, this market likely stays pinned near zero; if it suddenly publishes a general-availability announcement for a model explicitly called GPT-6, the probability would have to reprice sharply.[1][13][14]
Methodology
Sports-specific comparison page for GPT-6 released by…?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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