TOTAL VOLUME:
$97.2b
24H VOL:
$177,903,386
24H TRANSACTIONS:
950,106,883
OPEN INTEREST:
$2,049,845,057
824,617
Markets across
14,701
events
MATCHED EVENTS:
899
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
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This event tracks the pricing of OpenAI's GPT 5.5 model's input tokens throughout 2026, monitoring whether the cost per token falls to various price thresholds on OpenAI's official API pricing page. The market aims to gauge how the cost-efficiency of this advanced AI model evolves over the year as the technology matures and market competition potentially increases.
Resolution is determined by the standard listed Input Token Price for OpenAI GPT 5.5 displayed on the API pricing page at https://openai.com/api/pricing/ during 2026. The price must be explicitly shown on the API pricing section; if the product is renamed or succeeded, the closest equivalent product controls. Only standard listed prices apply—promotional, temporary, or volume-discount pricing is excluded. If the page is unavailable at expiration, the last available published price is used. If no price data exists by expiration, all strikes resolve to No. Prices are measured in USD per million tokens.
Prediction market odds on Kalshi reflect real-money trader expectations about GPT 5.5 pricing, while analyst forecasts typically rely on historical pricing trends, competitive dynamics, and OpenAI's stated business model. Markets often price in faster adoption and cost compression than traditional analysts predict, since traders have direct financial incentives to forecast accurately. Comparing Kalshi odds to published research from AI economics analysts or industry reports can reveal whether the market is more bullish or bearish on token price declines than expert consensus suggests.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, the GPT 5.5 input token price outcome is priced as a binary or multi-outcome contract reflecting discrete price thresholds traders believe the token will reach or fall below during 2026. Each outcome carries an implied probability derived from the order book; traders buy or sell shares at prices between 0 and 100 cents, with the spread between bid and ask reflecting uncertainty. As new developments in OpenAI's product roadmap or competitive pricing announcements occur, Kalshi traders adjust positions, moving the contract price to reflect updated consensus on the lowest token price achievable that year.
The market resolves on Jan 1, 2027, at which point the actual lowest input token price for OpenAI GPT 5.5 during 2026 will be compared against the predefined outcome thresholds. Resolution hinges on verifiable pricing data from OpenAI's official API documentation or public rate cards at the time of market close. Traders should monitor OpenAI announcements, pricing updates, and competitive moves throughout 2026, as any official price change will directly determine which outcome bracket the market settles into.
Major catalysts include OpenAI's official GPT 5.5 launch date and initial pricing announcement, competitive price cuts from rivals like Anthropic or Google, shifts in OpenAI's business strategy toward volume-based monetization, and macroeconomic factors affecting cloud infrastructure costs. Regulatory developments around AI pricing transparency, large enterprise licensing deals, or OpenAI's own statements about margin targets could also influence trader expectations. Additionally, breakthroughs in model efficiency or unexpected demand surges would pressure OpenAI to adjust token pricing, moving market odds as traders reassess the probability of deeper price reductions by year-end.
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