
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 · United States
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Best LLM at the end of the decade?
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Which company has the best LLM at the end of 2026? (Artificial analysis leaderboard)
Will the best LLM in 2026 have <500 billion parameters?
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Which company has the best AI model end of October?
Rules
If an AI lab based in the United States has the highest-ranked AI model on the applicable index at 10:00 AM ET on Dec 31, 2029, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxbestllmcountry-29dec31AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+15 more outcomes
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