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Anthropic

Claude Opus 4.1 (20250805)

Released 2025-08-05 · Context 200K · Data snapshot 2026-10-22

Overall score

64.3

Awaiting benchmarks (insufficient coverage)
Benchmark coverage
13.6%
3 third-party benchmarks
Context window
200K
tokens
Input price
$15.00
Cache read $1.50
Output price
$75.00
per million tokens

Prices converted at snapshot-day rate (USD/CNY 6.6761)

Dimension performance

Human preference64.3
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation

Benchmark details

Coding1 items
Terminal-Bench38
Knowledge1 items
GPQA Diamond73.2
Human preference1 items
LMArena Human Blind Vote1449.7752

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
2026-10-2264.3
2026-10-2149.0
2026-10-2049.1
Scores and prices come from third-party public data (Artificial Analysis / LMArena / OpenRouter). 50 is the reference models’ average; every 15 points ≈ one standard deviation. Prices are converted at snapshot-day rates and provided for reference only. Return to LLM Leaderboard.