Claude Opus 4.8 debut arena score
Claude Opus 4.8 debut arena score
Chance
Above 1495
60%
Above 1495
60%
Above 1500
53%
Above 1500
53%
Above 1505
37%
Above 1505
37%
4 more
Market Rules
Above 1490
If Claude Opus 4.8 scores above 1490 on Arena AI Text Score (Remove Style Control) before Before Jan 1, 2027, then the market resolves to Yes. Outcome verified from LM Arena Leaderboard (Remove Style Control).
Any Claude model added to the leaderboard labeled as "Opus 4.8" will qualify. If multiple qualifying models are added, the highest scoring model will be used for resolution. Models added following the initial qualifying model will not count.
Timeline and payout
Market openJun 5, 2026 ยท 10:00am EDT
Market closesAfter the outcome occurs
Projected payout30 minutes after closing
SeriesKXARENASCORE
EventKXARENASCORE-27JAN01
MarketKXARENASCORE-27JAN01-1490
Insider trading is prohibited
The following are prohibited from trading this contract:
- Persons who are employed by any of the Source Agencies are not permitted to trade on the Contract.
- Persons who hold any material, non-public information on the Underlying are not permitted to trade on the Contract.