Will claude-opus-5-high be the top AI model on Aug 3 at 10:00 AM ET?

🤖 Context

YES if Kalshi finalizes market KXTOPMODEL-26AUG03-CLAU5 with result YES. Kalshi makes that determination by reference to the LM Arena leaderboard (Remove Style Control). That means claude-opus-5-high must be ranked first on the LM Arena leaderboard at 10:00 AM ET on August 3, 2026. Ties on rank are broken by Arena Score, then by number of votes, then by earlier release date.