GPT-4.1 Nano vs Grok 3
Compare GPT-4.1 Nano by OpenAI against Grok 3 by xAI, context windows of 1.0M vs 128K, tested across 53 shared challenges. Updated May 2026.
Which is better, GPT-4.1 Nano or Grok 3?
GPT-4.1 Nano and Grok 3 are both competitive models. Context windows: 1048K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4.1 Nano and Grok 3
GPT-4.1 Nano is made by openai while Grok 3 is from xai. GPT-4.1 Nano has a 1048K token context window compared to Grok 3's 128K.
API pricing
Per 1M tokens
GPT-4.1 Nano
Input
$0.10
Output
$0.40
Grok 3
Input
—
Output
—
Our Verdict
GPT-4.1 Nano
Grok 3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
Writing DNA
Style Comparison
Similarity
53%
Grok 3 uses 3.9x more emoji
GPT-4.1 Nano
Grok 3
57%Vocabulary49%
25wSentence Length18w
0.72Hedging0.94
5.6Bold2.5
4.9Lists3.0
0.00Emoji0.04
0.71Headings0.65
0.22Transitions0.08
Based on 24 + 17 text responses
FAQ
