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 top-ranked coding AI model according to the Chatbot Arena LLM Leaderboard. On Polymarket, Anthropic is priced at 97.9% to hold the leading position, while OpenAI is at 1.9%. The resolution will be determined by checking the Coding leaderboard at https://lmarena.ai/ on May 31, 2026 at 12:00 PM ET, with rankings ordered by arena score and company name as tiebreakers. Watch the Chatbot Arena Coding leaderboard rankings as they evolve through May 2026 to track which model maintains the highest competitive performance leading into the May 31 resolution check.
Prediction market odds on Polymarket reflect real-money trader conviction and often diverge from traditional analyst consensus. While analyst reports on AI model benchmarks tend to lag market pricing, prediction markets incorporate breaking news about model releases, benchmark results, and developer adoption instantly. Traders betting on this event weigh factors like code generation accuracy, latency, and enterprise adoption that analysts may not fully capture. The market price serves as a continuous, crowd-sourced forecast that updates faster than periodic analyst reports, making it a complementary signal for tracking which company's coding AI model is perceived as strongest.
The market resolves on May 31, 2026. The outcome is determined by which company's coding AI model is judged to have the best performance based on the specified resolution criteria at that time. Factors typically evaluated include benchmark scores on standard coding tasks, real-world code generation quality, and adoption metrics among developers. The resolution process is designed to be objective and verifiable, ensuring that traders have clarity on how the winning company will be identified. Once the event date arrives and the determination is made, the market settles and payouts are distributed accordingly.
Key catalysts include public releases of new coding AI models or major updates from competing companies, benchmark results from independent evaluators, and announcements of enterprise adoption or partnerships. Developer sentiment and GitHub activity around different models can shift market odds significantly. Regulatory developments affecting AI deployment, security vulnerabilities discovered in existing models, and performance comparisons in real-world coding competitions all influence trader positioning. Additionally, earnings calls or investor presentations where companies discuss AI roadmaps, and third-party reviews of code quality and speed, can trigger repricing. Market participants monitor technical forums, research papers, and industry conferences for signals about which company's coding AI is gaining ground.