GPT-4.1 Nano vs Grok Code Fast 1
Compare GPT-4.1 Nano by OpenAI against Grok Code Fast 1 by xAI, in 3 community votes, gpt-4.1 nano and grok code fast 1 are closely matched, context windows of 1.0M vs 256K, tested across 54 shared challenges.
Our Verdict
Grok Code Fast 1Winner
GPT-4.1 NanoRunner-up
Votes are tied. Grok Code Fast 1 is newer and likely incorporates more recent improvements.
GPT-4.1 Nano is 3.8x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.1 Nano
Input
$0.10
2.0× cheaper
Output
$0.40
3.8× cheaper
Grok Code Fast 1
Input
$0.20
Output
$1.50
GPT-4.1 Nano is cheaper on both — 2.0× input, 3.8× output
Writing DNA
Style Comparison
Similarity
56%
Grok Code Fast 1 uses 6.0x more emoji
GPT-4.1 Nano
Grok Code Fast 1
57%Vocabulary60%
25wSentence Length17w
0.72Hedging0.97
5.6Bold2.8
4.9Lists2.5
0.00Emoji0.06
0.71Headings0.89
0.22Transitions0.11
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
