Command Palette

Search for a command to run...

Grok 4 Fast (Non-reasoning)

xAI

Vision ModelProprietary

Analysis of xAI's Grok 4 Fast (Non-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
Sep 19, 2025
Window
2M

PricingPer 1M tokens

Input
$0.2
Output
$0.5
Blended 3:1
$0.275

Capabilities

Input
Output
Reasoning tokens

Benchmarks

Intelligence
●○○○○
Math
●●○○○
Coding
●○○○○
MMLU Pro
73.0%
GPQA
60.6%
HLE
5.0%
SciCode
32.9%
AIME
41.3%
LiveCodeBench
40.1%

Analysis of xAI's Grok 4 Fast (Non-reasoning) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.