Grok 4.1 Fast

Reasoning

Creator

xAI

Released

2025-11-19

Intelligence

38.6

Artificial Analysis Index

Coding

30.9

Artificial Analysis Index

In $/1M

$0.00

input tokens

Out $/1M

$0.00

output tokens

Blended $/1M

$0.00

3:1 blended

Speed

0

tokens / sec

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
85
Humanity’s Last Exam
18
MMLU-Pro
85
SciCode
44
LiveCodeBench
82
MATH-500
AIME 2025
89
τ²-Bench (agentic)
93
Terminal-Bench Hard
24
IFBench
53
Via Artificial Analysis