Claude Opus 4.5 is most commonly placed in 1st position.
AnthropicModel Release date: November 24th, 2025
Overall Win Rate59%
Top ArenaWebsite
Input Cost$5.00
Output Cost$25.00
Context Window200K
Max Output Tokens64K
ArenasRankWin RateElo Rank
Based on 18682 tournaments
4-model tournaments
Based on 18526 tournaments
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