GPT-4 vs Grok 3
Compare GPT-4 by OpenAI against Grok 3 by xAI, context windows of 8K vs 128K, tested across 26 shared challenges. Updated May 2026.
Which is better, GPT-4 or Grok 3?
GPT-4 and Grok 3 are both competitive models. Context windows: 8K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4 and Grok 3
GPT-4 is made by openai while Grok 3 is from xai. GPT-4 has a 8K token context window compared to Grok 3's 128K.
API pricing
Per 1M tokens
GPT-4
Input
$30.00
Output
$60.00
Grok 3
Input
—
Output
—
Our Verdict
Grok 3
GPT-4Runner-up
No community votes yet. On paper, Grok 3 has the edge — newer, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
59%
Grok 3 uses 3.9x more emoji
GPT-4
Grok 3
59%Vocabulary49%
18wSentence Length18w
1.10Hedging0.94
0.8Bold2.5
2.5Lists3.0
0.00Emoji0.04
0.00Headings0.65
0.45Transitions0.08
Based on 15 + 17 text responses
FAQ
