TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 30, 8:00 PM EST
Polymarket
This market tracks which company will own the second-ranked AI model on the Chatbot Arena LLM Leaderboard with Style Control enabled. On Polymarket, Anthropic is priced at 99.0% to hold the #2 position, while Alibaba stands at 0.4%. The market will resolve based on the ranking displayed on the Chatbot Arena leaderboard at https://lmarena.ai/ when checked on May 31, 2026, at 12:00 PM ET, using the Text Arena Overall rankings with style control activated as the resolution source. Watch the leaderboard standings as May 31, 2026 approaches to see if any model movements challenge Anthropic's commanding position.
Prediction market odds on Polymarket reflect real-time trader conviction and incorporate breaking news faster than traditional analyst reports. While analyst forecasts rely on periodic model evaluations and published benchmarks, prediction markets aggregate continuous signals from participants with financial stakes in the outcome. For this AI rankings event, market-implied probabilities may diverge from analyst consensus when new model capabilities are announced or when Style Control On evaluation criteria shift. Comparing the two approaches reveals how markets price uncertainty differently than expert opinion alone.
The market resolves on May 31, 2026. Resolution hinges on identifying which company's AI model ranks second globally under Style Control On criteria at that time. The determination depends on published benchmark results, model capability assessments, and the specific evaluation framework defined for Style Control On. Traders should monitor official AI leaderboards, independent evaluations, and announcements from leading AI labs throughout the prediction period to gauge how rankings may shift before the final settlement date.
Major catalysts include new model releases from Anthropic, OpenAI, Google, Meta, and other AI labs, each potentially reshuffling the #2 ranking. Benchmark results on reasoning, coding, and multimodal tasks under Style Control On will directly influence market odds. Announcements of model improvements, fine-tuning breakthroughs, or capability expansions can shift trader expectations. Competitive moves—such as one company releasing a stronger model or another falling behind—will trigger repricing. Media coverage of AI safety, performance comparisons, and industry developments may also sway sentiment as traders reassess which company will hold the #2 position by May 31, 2026.