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: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · Anthropic
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will a Chinese company have a top ___ AI model by December 31?
Which company has #1 AI model end of December? (Style Control On)
Which company has the best Text Arena Math AI model end of December?
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Top AI model this month
Rules
This market will resolve to "Yes" if the listed company has the highest arena rank based on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) by December 31, 2026, 11:59 PM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/which-companies-will-have-a-1-ai-model-by-december-31AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+15 more outcomes
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