
Trends
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
Related Markets
Related questions for context, not a comparison of equivalent contracts.
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Rules
This market will resolve to "Yes" if the next Anthropic Claude Fable model (5.2+) added to the Arena.AI Leaderboard (https://arena.ai/leaderboard/text/overall-no-style-control) has at least the specified score at 12:00 PM ET on the calendar date following the date on which it first appears on the leaderboard.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/next-fable-model-5pt2-text-arena-debut-20260928AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+35 more outcomes
+18 more outcomes
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