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Anthropic

Claude Sonnet 4.5 (20250929)

Released 2025-09-29 · Context 1000K · Data snapshot 2026-10-22

Overall score

50.0

Awaiting benchmarks (insufficient coverage)
Benchmark coverage
18.2%
4 third-party benchmarks
Context window
1000K
tokens
Input price
$3.00
Cache read $0.30
Output price
$15.00
per million tokens

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

Dimension performance

Human preference65.1
Knowledge45.0
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation

Benchmark details

Coding1 items
Terminal-Bench46.5
Knowledge2 items
GPQA Diamond73.7
SimpleQA Verified23.7
Human preference1 items
LMArena Human Blind Vote1456.3768

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
2026-10-2250.0
2026-10-2150.8
2026-10-2050.9
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.