Polymarket odds for Claude Opus release by September 22 rise to 77%

Prediction market data from Polymarket shows the probability of a new Claude Opus model release by September 22 has climbed to 77%, marking a 50% increase over the past 24 hours. Settlement criteria require an official release by Anthropic (Anthropic) explicitly named 'Opus' that is accessible to the public. Other model names like Sonnet or Haiku do not qualify, and the release must be verified through official company information or credible media reports.