
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · Meta
Loading selected book…
—
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Alibaba vs Xiaomi: Highest Arena Score at the end of 2026
Anthropic vs Google: Highest Arena Score at the end of 2026
OpenAI highest valuation by end of December 2026
Will any AI model reach ___ Coding Arena Score by December 31?
Gemini 3.5 Pro debut arena score
Will any AI model reach ___ Overall Arena Score by December 31?
Rules
If Meta's top model has a higher Arena Score than OpenAI's top model on the LM Arena text leaderboard on Dec 31, 2026 at 10:00 AM ET, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxllmh2h-26dec31metaopenAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+14 more outcomes
+18 more outcomes
+22 more outcomes
+6 more outcomes
+7 more outcomes
+5 more outcomes