Claude 2 vs xAI: Grok 4
Compare Claude 2 by Anthropic against xAI: Grok 4 by xAI, context windows of 100K vs 256K, tested across 5 shared challenges.
Our Verdict
xAI: Grok 4
Claude 2Runner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
Claude 2
Input
$11.02
Output
$32.68
xAI: Grok 4
Input
$3.00
3.7× cheaper
Output
$15.00
2.2× cheaper
xAI: Grok 4 is cheaper on both — 3.7× input, 2.2× output
Writing DNA
Style Comparison
Similarity
51%
xAI: Grok 4 uses 67.3x more hedging
Claude 2
xAI: Grok 4
65%Vocabulary53%
13wSentence Length18w
0.00Hedging0.67
0.0Bold2.7
10.2Lists2.7
0.00Emoji0.07
0.00Headings0.86
0.00Transitions0.04
Based on 2 + 21 text responses
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