When will GPT-5.6 be released?

Platform comparison

Active sub-markets

Market context

OpenAI’s next public model move is the real-world event here: whether a GPT-5.6-labelled release, or a direct 5.x successor, is made available before the settlement window closes. The market is effectively pricing a late-June launch, but the present 0% implied yes probability leaves room for a sharp repricing if OpenAI posts release notes or updates the model picker without much warning.[1][7]

The closest comparable case is the recent GPT-5 line, which moved from GPT-5.1 in November 2025 to GPT-5.2 in December, then GPT-5.4 in March 2026 and GPT-5.5 on 23 April 2026, with GPT-5.5 Instant later becoming the default in ChatGPT.[2][7] That pace matters because it suggests OpenAI has been willing to ship incremental 5.x updates on a compressed cadence rather than wait for a cleanly numbered flagship jump; a June 5.6 release would therefore fit the pattern more than a longer pause would.[1][2]

The main catalysts to watch are a formal announcement, changes in OpenAI’s release notes, and any new backend routing or Codex logs that show a model version bump before public launch.[1][4][7] Recent reporting has also pointed to internal staff commentary that GPT-5.6 would be a “meaningful improvement” and to market chatter around a June window, so traders are leaning most on an *announcement-plus-rollout* catalyst rather than on a scheduled event or external conference date.[1][6]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for When will GPT-5.6 be released? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Is this market available outside the US?

Election Predictions UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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 Election Predictions UK?

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

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.