Command Palette

Search for a command to run...

Grok 4.1 Fast (Reasoning)

xAI

ReasoningVision ModelProprietary

Analysis of xAI's Grok 4.1 Fast (Reasoning) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.

Context

Release Date
Nov 19, 2025
Window
2M

PricingPer 1M tokens

Input
$
Output
$
Blended 3:1
$

Capabilities

Input
Output
Reasoning tokens

Benchmarks

Reasoning
●●○○○
Math
●●●●
Coding
●●○○○
MMLU Pro
85.4%
GPQA
85.3%
HLE
17.6%
SciCode
44.2%
AIME
89.3%
LiveCodeBench
82.2%

Analysis of xAI's Grok 4.1 Fast (Reasoning) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.