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 · Top 20
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Kimi K3.1 Pro: Text Arena Rank Debut?
Next Fable Model (5.2+): Text Arena Rank Debut?
GPT Astra 6.1+: Text Arena Debut?
GPT Astra 6.1+: HLE-Diamond Debut?
GPT-6.1+ Astra released in October?
Which model will have a higher ECI score end of November, Opus 5.5 or GPT-6 Astra?
Rules
This market will resolve to "Yes" if the next OpenAI GPT Astra model (6.1+) added to the Arena.AI Leaderboard (https://arena.ai/leaderboard/text/overall-no-style-control) holds a rank within the specified top ranks when the table under the "Leaderboard" tab is checked 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/gpt-astra-6pt1-text-arena-rank-debut-20261027AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+97 more outcomes
+27 more outcomes
+21 more outcomes