When will GPT-5.6 be released?

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Market context

OpenAI’s next public model release would be the event that settles this market, and the current 0% price implies traders think a named GPT-5.6 launch is still too uncertain to assign any near-term probability. The market rules matter here: a general-availability release, including a staged rollout once it reaches the ChatGPT interface, counts; task-specific spin-offs and other o-series products only count if they are part of the GPT-5.6 naming line or a recognised direct successor.[2]

The main historical guide is OpenAI’s recent cadence. GPT-5 landed in August 2025, GPT-5.1 and GPT-5.2 followed later that year, and GPT-5.4 and GPT-5.5 arrived in March and April 2026, respectively, which is a much tighter sequence than the older multi-month GPT releases.[3][7] That pattern supports watching for another incremental version rather than a wholly new flagship, but it also shows OpenAI has used rapid successive updates to reset capability and pricing expectations. Commentary circulating around June launch expectations has also tied GPT-5.6 to a “meaningful improvement” framing, which makes the release timing easier to shift if internal testing or safety work slips.[1]

Traders should watch for three catalysts: an OpenAI newsroom post, a change in model release notes, and any developer-facing API or Codex routing update showing the version name before public rollout.[2][7] In market terms, a surprise launch would likely hit the on-chain side first through fast repricing in USDC-settled contracts, with liquidity and whale flow in BTC and ETH still relevant as a risk-on proxy when broader crypto sentiment is strong.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads When will GPT-5.6 be released? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On BTC Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 it cost to trade on BTC Prediction?

Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.