xAI: Grok 4.1

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grok-4.1

2M context

$0.20 / $0.50 per M tokens

xAI's frontier reasoning model with 2M context window and step-by-step thinking for complex problems.

Model Overview

xAI's frontier reasoning model with 2M context window and step-by-step thinking for complex problems.

Input

$0.20

per million tokens

Output

$0.50

per million tokens

text

image

code

Model ID

grok-4.1

Context Window

2M tokens

Provider

xAI

Added

February 15, 2026

Input Modalities

text, image, code

Data not used for training

Data retained for 30 days