Grok 4.20 0309

Reasoning

Creator

xAI

Released

2026-03-10

Intelligence

48.5

Artificial Analysis Index

Coding

42.2

Artificial Analysis Index

In $/1M

$2.00

input tokens

Out $/1M

$6.00

output tokens

Blended $/1M

$3.00

3:1 blended

Speed

232

tokens / sec

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
89
Humanity’s Last Exam
30
MMLU-Pro
SciCode
45
LiveCodeBench
MATH-500
AIME 2025
τ²-Bench (agentic)
96
Terminal-Bench Hard
41
IFBench
83
Via Artificial Analysis