Claude 4 Sonnet

Reasoning

Creator

Anthropic

Released

2025-05-22

Intelligence

38.7

Artificial Analysis Index

Coding

34.1

Artificial Analysis Index

In $/1M

$3.75

input tokens

Out $/1M

$15.00

output tokens

Blended $/1M

$6.56

3:1 blended

Speed

60

tokens / sec

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
78
Humanity’s Last Exam
10
MMLU-Pro
84
SciCode
40
LiveCodeBench
66
MATH-500
99
AIME 2025
74
τ²-Bench (agentic)
65
Terminal-Bench Hard
31
IFBench
55
Via Artificial Analysis