Claude 4.1 Opus

Reasoning

Creator

Anthropic

Released

2025-08-05

Intelligence

42.0

Artificial Analysis Index

Coding

36.5

Artificial Analysis Index

In $/1M

$18.75

input tokens

Out $/1M

$75.00

output tokens

Blended $/1M

$32.81

3:1 blended

Speed

48

tokens / sec

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
81
Humanity’s Last Exam
12
MMLU-Pro
88
SciCode
41
LiveCodeBench
65
MATH-500
AIME 2025
80
τ²-Bench (agentic)
71
Terminal-Bench Hard
34
IFBench
55
Via Artificial Analysis