The Polymarket contract asking whether the next GPT model by OpenAI will debut at a score of at least 1460 by December 31, 2026, saw a dramatic price collapse over the past 24 hours, plunging from 85.0% to 3.9%, a drop of 81.1 percentage points. This sharp decline occurred amid $14K in volume, reflecting a significant revaluation of the model’s prospects.
Notably, whale activity diverged from the price movement during this period. While the market sharply repriced the likelihood downward, whales did not increase their net investment into the YES contract, indicating a disconnect between large traders’ flow and the tape. This divergence suggests that while retail or smaller traders rapidly adjusted their expectations, larger participants remained cautious or unconvinced about the sudden shift.
The combination of a steep price drop and a lack of confirming whale flow points to a market in flux, with the broader community reassessing the feasibility of the GPT model reaching the 1460 score threshold by the end of 2026.
Overall, the repricing signals a significant reassessment of the GPT model’s performance prospects, with whales holding back despite the rapid market consensus shift.
| Market | Will the next GPT model released by OpenAI debut at a score of at least 1460 by December 31, 2026? |
|---|---|
| Market ID | 2831020 |
| 24h price change | +81.1 pp |
| YES now (PM Breaking) | 3.9% |
| YES ~24h ago (est.) | 85.0% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $14K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-11. Data: Polydata API v3. On-chain figures are public. Realized PnL is computed over resolved markets only and excludes open positions, so it is conservative versus the Polymarket UI. This is not investment advice.