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Grok Code Fast 1

xAI

ReasoningProprietary

Analysis of xAI's Grok Code Fast 1 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
Aug 28, 2025
Window
256k

PricingPer 1M tokens

Input
$
Output
$
Blended 3:1
$

Capabilities

Input
Output
Reasoning tokens

Benchmarks

Reasoning
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Math
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Coding
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MMLU Pro
79.3%
GPQA
72.7%
HLE
7.5%
SciCode
36.2%
AIME
43.3%
LiveCodeBench
65.7%

Analysis of xAI's Grok Code Fast 1 and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.