TOTAL VOLUME:
$66b
24H VOL:
$398,877,831
24H TRANSACTIONS:
647,445,881
OPEN INTEREST:
$1,477,629,845
622,934
Markets across
14,083
events
MATCHED EVENTS:
1,257
PLATFORM COVERAGE:
4
Polymarket:
49%
VS.
Kalshi:
51%
GPT-5.6 released by...? Odds & Prediction Markets
Will OpenAI release GPT-5.6 before Jul 31, 2026?
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Intro
This market tracks whether OpenAI will release GPT-5.6 or a recognized direct successor variant to the general public by July 31, 2026. The aggregated consensus across Polymarket and Kalshi stands at 98.0% for a Yes resolution. The qualifying release must be publicly accessible through open beta, open waitlist, or full public launch, with verification from official OpenAI announcements and credible reporting. Watch for OpenAI's official product announcements through the July 31, 2026 deadline, as any public release of GPT-5.6 or successor models during this window will trigger resolution.
PredictionHero - Resolution Divergence Alerts (RDA)
Divergence Detected
Issue:
Polymarket explicitly requires public accessibility (open beta, open waitlist, or full public launch) while Kalshi's criteria do not specify an accessibility tier, creating potential divergence if OpenAI releases GPT-5.6 in closed beta.Hero Tip:
If OpenAI announces GPT-5.6 in closed beta before the resolution date, Kalshi will likely resolve YES while Polymarket will resolve NO. Hedge accordingly or clarify with platform moderators before announcement. Watch for official OpenAI website labeling and third-party credible reporting to confirm access model.Critical Divergence Points:
Polymarket:
Requires GPT-5.6 or direct successor (GPT-5.7+) to be made available to general public by specified date via open beta, open rolling waitlist, or full public launch. Closed beta, private access, or labeling errors do not qualify. Primary resolution source: official OpenAI information with credible reporting consensus. Key quote: 'For this market to resolve to Yes, a qualifying model must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice.'Kalshi:
Requires OpenAI to release a model called GPT-5.6 or greater before specified date. No explicit public accessibility requirement stated; release mechanism (closed beta, private, or public) is not specified in resolution criteria. Key quote: 'If OpenAI releases A model called GPT-5.6 or greater before [date], then the market resolves to Yes.'
Polymarket
This market will resolve to "Yes" if OpenAI's GPT-5.6 model is made available to the general public by the specified date (ET). Otherwise, this market will resolve to "No." GPT-5.6 refers to a product explicitly named GPT-5.6, or a variant that is recognized as a direct successor to GPT-5.5, similar to the progression from GPT-5.1 to GPT-5.2. (e.g., GPT-5.7, GPT-5.8, etc., would qualify toward a "Yes" resolution to this market) Qualifying releases of task-specialized models (e.g., GPT-Codex/Transcribe), cost-efficiency variants (e.g., Nano/Mini), or reasoning models of the o-series family will count for this market. Products labeled as a new flagship generation GPT-6 or similar will NOT qualify. For this market to resolve to "Yes," a qualifying model must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be either clearly defined and publicly announced by OpenAI as being accessible to the general public or otherwise made publicly accessible and explicitly labeled within the company’s official website. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public will not qualify. The primary resolution source for this market will be official information from OpenAI, with additional verification from a consensus of credible reporting.
Kalshi
OpenAI's release of GPT-5.6 or a subsequent version to the public market will trigger a Yes resolution. The model must be made available outside of closed beta testing, though limiting access to paid subscription tiers is permissible. Multiple resolution dates are specified across the rule set, with the final deadline being July 31, 2026. Any public release meeting these criteria before that date will resolve the market affirmatively.
Frequently asked questions
Prediction markets like those tracking this event price outcomes through live trader capital rather than analyst surveys, often reflecting faster-moving consensus. Market odds embed real-money conviction and information asymmetries that traditional forecasts may lag. Analysts typically publish quarterly or annual reports; prediction markets update continuously. For AI release timelines, markets can incorporate leaked roadmaps, hiring patterns, and research announcements faster than formal analyst revisions. However, markets can also overshoot on hype or undershoot on skepticism, so comparing both sources—market odds and published expert views—provides a fuller picture of GPT-5.6 deployment likelihood.
Kalshi and Polymarket can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Platform differences in user base, liquidity depth, and outcome phrasing can create price gaps. Kalshi and Polymarket may define the release date slightly differently—one might specify "before June 15" while the other says "by June 18"—introducing a 12.0 percentage-point spread. Liquidity concentration also matters: if one platform attracts more AI-focused traders or institutional volume, its price will reflect that cohort's views more heavily. Arbitrage traders typically narrow gaps, but temporary misalignments persist, especially on niche or fast-moving events. Monitoring both venues helps you identify which platform's odds align with your own forecast.
This market resolves around Sep 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution hinges on whether OpenAI has officially announced and released GPT-5.6 by the specified cutoff. Traders holding positions through resolution will see their holdings settled based on whether the outcome criteria are met. Until that date, this market remains active and tradeable, allowing you to adjust your position as new developments surface or your conviction shifts.
Major catalysts include OpenAI earnings calls or official product roadmap announcements, research paper releases hinting at model readiness, and hiring or compute infrastructure news. Competitor launches—such as Anthropic or Google releasing advanced models—can shift perceived urgency around GPT-5.6. Regulatory announcements or safety review delays could push timelines backward. Media reports citing internal OpenAI timelines or leaked documents often trigger sharp repricing. Conversely, quiet periods with no new information typically lead to price stability. Monitoring AI research forums, tech news outlets, and official company channels will help you anticipate moves before they hit the market.
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