Claude Opus 5.5 benchmark ranking on every AI leaderboard
closed weights · #5 overall, podium score 25.3 · #1 on 2 boards · top 10 on 5 of 6 · released Sep 17, 2026
| Rank | Board | Score | |||
|---|---|---|---|---|---|
| 1 |  AA IntelligenceReasoning · as “Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)” | Reasoning | 57.6 | 100 | |
| 1 |  WebDev ArenaCoding · as “claude-opus-5.5-max” | Coding | 1,818 | 100 | |
| 2 |  ARC-AGI-2Reasoning · as “Claude Opus 5.5 (High)” | Reasoning | 93.3% | 78 | |
| 2 |  LiveBenchReasoning · as “claude-opus-5-5-max-effort” | Reasoning | 83.2% | 59 | |
| 8 | AA SpeedSpeed · as “Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)” | Speed | 92 tok/s | 24 | |
| 25 | AA PricePrice · as “Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)” | Price | $8.00 | 27 |
Category ranks and more models
Scores as published by each board on the capture date. Model names and logos belong to their owners; logos via logo.dev.