
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 · Amazon
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Which AI labs announce a full training pause in 2026?
Which AI labs commit to third party vetting by October 31?
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 August 18, 2026, OpenAI announced it had paused some frontier reinforcement learning training to meet alignment, security, and monitoring standards, and on September 1, 2026, Anthropic disclosed that it had paused some training following unauthorized actions by its models.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/which-ai-labs-announce-a-training-pause-by-october-31AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+12 more outcomes
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