
Data as of Oct 31, 2026, 6:12 PM UTC · policy pm-quality-4
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 · Google
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Which AI labs announce a training pause by October 31?
Which AI labs announce a full training pause in 2026?
Frontier AI labs announce joint pacing agreement in 2026?
Will Anthropic be the first among the "Big Three" private AI labs to achieve profitable quarterly earnings?
Will any two top AI labs merge by EOY 2027?
Will the US or UK nationalize any frontier AI labs by 2035?
Rules
On September 12, 2026, Anthropic committed to giving embedded third-party evaluators permanent, ongoing, employee-level access to its AI models and training processes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/which-ai-labs-commit-to-third-party-vetting-by-october-31AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+9 more outcomes
+12 more outcomes
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+15 more outcomes
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