GPT-4.1 vs xAI: Grok 4.3
Compare GPT-4.1 by OpenAI against xAI: Grok 4.3 by xAI, context windows of 1.0M vs 1.0M, tested across 53 shared challenges.
Our Verdict
GPT-4.1
xAI: Grok 4.3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
xAI: Grok 4.3 is 3.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.1
Input
$2.00
Output
$8.00
xAI: Grok 4.3
Input
$1.25
1.6× cheaper
Output
$2.50
3.2× cheaper
xAI: Grok 4.3 is cheaper on both — 1.6× input, 3.2× output
Writing DNA
Style Comparison
Similarity
31%
GPT-4.1 uses 23.7x more emoji
GPT-4.1
xAI: Grok 4.3
58%Vocabulary62%
19wSentence Length16w
0.38Hedging0.46
9.0Bold2.3
6.1Lists2.5
0.24Emoji0.00
1.01Headings0.34
0.07Transitions0.14
Based on 25 + 27 text responses
Research
What we learned reading every model
FAQ
