Next Claude Opus: Text Arena Debut?
Probability over time
last 30 daysWhat this means
Across 6 outcomes, the market's favourite is 1480+ at 99%. Because these are separate markets, probabilities need not sum to exactly 100%.
How this resolves
This market will resolve to "Yes" if the next Claude Opus model added to the Arena.AI Leaderboard (https://arena.ai/leaderboard/text/overall-no-style-control) has at least the specified score at 12:00 PM ET on the calendar date following the date on which it first appears on the leaderboard. Otherwise, this market will resolve to "No". Any Claude model newly added to the leaderboard and labeled as "Opus" may qualify (e.g., claude-Opus-4.9, claude-Opus-5.0-thinking, claude-Opus-5.1-preview, or similar). Claude models labeled only as Sonnet, Haiku, or another non-Opus variant will not qualify. Results from the "Score" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall-no-style-control with style control off will be used to resolve this market. This market will resolve solely based on the specified score in the Score column of the leaderbo…