Claude sonnet 4.5
Claude Sonnet 4.5 is Anthropic's most advanced model for real-world agents and coding. It features a 1M token context, state-of-the-art coding performance, and enhanced agentic capabilities.
Leaderboards
QUALITY
Average Score combining domain-specific Autobench scores; Higher is better
- 4.48
- 4.43
- 4.39
- 4.38
- 4.32
- 4.29
- 4.29
- 4.20
- 4.18
- 4.17
- 4.17
- 4.13
- 4.12
- 4.11
- 4.11
- 4.06
- 4.06
- 3.99
- 3.88
- 3.86
- 3.78
- 3.47
PRICE
USD cent per average answer; Lower is better
- 11.39
- 0.07
- 0.08
- 0.09
- 0.11
- 0.33
- 0.34
- 0.54
- 0.71
- 0.91
- 0.99
- 1.25
- 1.30
- 1.86
- 2.12
- 3.79
- 3.94
- 6.48
- 7.36
- 8.12
- 10.80
- 17.26
- 81.88
LATENCY
Average Latency in Seconds; Lower is better
- 169.73s
- 20.42s
- 23.60s
- 30.08s
- 31.40s
- 38.77s
- 45.56s
- 51.84s
- 52.25s
- 61.46s
- 65.62s
- 66.78s
- 69.24s
- 75.48s
- 76.11s
- 82.80s
- 86.80s
- 89.96s
- 93.49s
- 99.62s
- 104.78s
- 110.95s
- 122.42s
- 124.57s
- 130.10s
- 136.96s
- 144.01s
- 163.15s
- 171.50s
- 180.11s
- 187.43s
- 227.43s
- 247.97s
- 261.38s
- 310.39s
Performance vs. Industry Average
Intelligence
Claude sonnet 4.5 is of higher intelligence compared to average (4.1), with an intelligence score of 4.3.
Price
Claude sonnet 4.5 is more expensive compared to average ($4.58 per 1M Tokens) with a price of $11.39 per 1M Tokens.
Latency
Claude sonnet 4.5 has a higher average latency compared to average (116.45s), with an average latency of 169.73s.
P99 Latency
Claude sonnet 4.5 has a higher P99 latency compared to average (339.37s), taking 476.75s to receive the first token at P99 (TTFT).
Context Window
Claude sonnet 4.5 has a larger context window than average (351k tokens), with a context window of 1000k tokens.