TOTAL VOLUME:
$148.4b
24H VOL:
$209,734,046
24H TRANSACTIONS:
2,817,056,367
OPEN INTEREST:
$1,865,708,956
470,731
Markets across
35,423
events
MATCHED EVENTS:
2,810
PLATFORM COVERAGE:
5
Polymarket:
38%
VS.
Kalshi:
62%
$
Anthropic and Google will compete based on their top models' Arena Scores on the LM Arena text leaderboard by the end of 2026. The model with the superior performance, as indicated by the leaderboard, will be deemed the winner.
This event assesses which company's top model attains a higher Arena Score on the LM Arena text leaderboard as of December 31, 2026, at 10:00 AM ET. The top model for each company is identified as the highest-ranked model in the Overall category of the leaderboard, with style control removed and no adjustments. Models are assigned to the company listed as their organization on the leaderboard, and preliminary models are considered. In the event that both top models share the same Arena Score, the model ranked higher on the leaderboard is declared the winner. The market resolves to Yes for the company with the higher Arena Score or higher leaderboard rank in case of a tie.
Currently, prediction market odds often reflect a different perspective than traditional analyst forecasts. While analysts may rely on qualitative assessments and company reports, this market aggregates the wisdom of the crowd, incorporating a wider range of information and potential future developments. Discrepancies can arise from differing assumptions about technological advancements, competitive pressures, and the evolving landscape of AI development. It’s common to see the market assign probabilities to outcomes that analysts haven’t fully considered or weighted appropriately.
On Kalshi, this market is priced using a continuous double auction mechanism, where traders submit buy and sell orders. The price fluctuates based on supply and demand, reflecting the collective belief of participants about the likelihood of each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This means the price you see represents the cost of entering a position, and it changes constantly as new information becomes available and traders adjust their views. The current market price indicates what traders are willing to pay or receive for a contract that pays out based on the final AI arena score.
This market resolves around Dec 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the market will settle based on the highest Arena score achieved by either Anthropic or Google as reported by the official Arena leaderboard at the end of 2026. The leaderboard will serve as the basis for determining the winning outcome in this market, and the resolution will reflect the publicly available data at that time.
Several key signals or events could significantly impact this market. Major breakthroughs in AI model capabilities from either Anthropic or Google, such as the release of a substantially more powerful model, would likely cause shifts in the odds. Significant changes in the AI arena’s scoring methodology or user base could also influence the market. Furthermore, announcements regarding partnerships, funding rounds, or regulatory developments related to these companies could all contribute to price movements in this market.