GPT-4.1 vs Grok 3
Compare GPT-4.1 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 or Grok 3?
GPT-4.1 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 and Grok 3
GPT-4.1 is made by openai while Grok 3 is from xai. GPT-4.1 has a 1048K token context window compared to Grok 3's 128K.
API pricing
Per 1M tokens
GPT-4.1
Input
$2.00
Output
$8.00
Grok 3
Input
—
Output
—
Our Verdict
GPT-4.1
Grok 3Runner-up
No community votes yet. On paper, GPT-4.1 has the edge — newer, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
48%
GPT-4.1 uses 6.0x more emoji
GPT-4.1
Grok 3
58%Vocabulary49%
19wSentence Length18w
0.38Hedging0.94
9.0Bold2.5
6.1Lists3.0
0.24Emoji0.04
1.01Headings0.65
0.07Transitions0.08
Based on 25 + 17 text responses
FAQ
