TOTAL VOLUME:
$142.3b
24H VOL:
$107,419,736
24H TRANSACTIONS:
2,643,541,936
OPEN INTEREST:
$1,594,026,835
471,138
Markets across
35,775
events
MATCHED EVENTS:
2,926
PLATFORM COVERAGE:
5
Polymarket:
38%
VS.
Kalshi:
62%
Time left: 16d:09h:24m
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This market tracks whether OpenAI will have the top-ranked large language model as of October 31, 2026. Currently, the “Yes” outcome – that OpenAI will be the best AI – is trading at 72.0% on Kalshi. The “No” outcome, representing all other AI firms being ranked higher, is at 24.0%. Resolution will be determined by independent benchmarking of large language models, as defined by the resolution source. Traders should closely watch the progress of AI model development leading up to the final ranking date of October 31, 2026, to see which firm is leading in performance metrics.
The event declares a 'Yes' outcome if any listed company—Google, OpenAI, Anthropic, xAI, Meta, Alibaba, or Moonshot—has the top-ranked large language model as determined by independent evaluation on October 31, 2026. Ranking ties are resolved through a hierarchical process: first by Arena Score, then by public votes, and finally by the model's release date, ensuring a clear winner is identified regardless of initial tie conditions across the participating firms.
Comparing prediction market odds to analyst forecasts reveals interesting insights into collective intelligence versus expert opinion. Often, this market reflects a broader range of factors and incorporates information from a diverse set of participants, potentially leading to different probabilities than those assigned by individual analysts. While analysts may focus on technical specifications or company announcements, this market aggregates opinions on a wider spectrum of considerations, including potential unforeseen developments and real-world adoption rates. It’s a dynamic comparison, as both forecasts and market odds evolve over time.
On Kalshi, this market is priced using a continuous double auction, meaning traders buy and sell contracts representing their belief in the probability of each outcome. The price of a contract reflects the implied probability of that outcome occurring. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and express their views, the prices adjust to reflect the collective assessment of the market. This creates a dynamic pricing mechanism where the odds are constantly updated based on supply and demand, offering a real-time gauge of expectations for AI leadership.
This market resolves around Oct 31, 2026, with the outcome confirmed once the leading AI model in October 2026 is verifiable from credible public reporting. Resolution will be based on a consensus of expert evaluations and widely accepted benchmarks assessing AI capabilities, performance, and impact. The determination will consider factors like benchmark scores, real-world applications, and overall influence within the AI community. The goal is to identify the AI model demonstrably considered the leader at that specific point in time.
Several signals or events could significantly move this market before Oct 31, 2026. Major breakthroughs in AI research, such as the development of a new and significantly more powerful AI architecture, would likely cause substantial shifts in the odds. Unexpected announcements from leading AI companies regarding new product launches or partnerships could also have a considerable impact. Furthermore, shifts in regulatory landscapes or changes in public perception regarding AI safety and ethics could influence market sentiment and trading activity. Any event that alters the perceived trajectory of AI development could move this market.