Anthropic
Claude 3 Opus (20240229)
Released 2024-02-29 · Data snapshot 2026-10-22
Overall score
36.1
Awaiting benchmarks (insufficient coverage)Benchmark coverage
13.6%
3 third-party benchmarks
Context window
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tokens
Input price
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per million tokens
Output price
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per million tokens
Dimension performance
Human preference
49.0
Knowledge
31.8
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation
Benchmark details
Knowledge2 items
GPQA Diamond47.2
SimpleQA Verified12.6
Human preference1 items
LMArena Human Blind Vote1322.2988
Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.
Score trend
2026-10-202026-10-22
View daily data
| 2026-10-22 | 36.1 |
| 2026-10-21 | 36.2 |
| 2026-10-20 | 36.2 |