xAI: Grok 4 vs xAI: Grok 4.3
Compare xAI: Grok 4 and xAI: Grok 4.3, both from xAI, context windows of 256K vs 1.0M, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4.3
xAI: Grok 4Runner-up
No community votes yet. On paper, xAI: Grok 4.3 has the edge — newer, bigger context window.
xAI: Grok 4.3 is 6.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4
Input
$3.00
Output
$15.00
xAI: Grok 4.3
Input
$1.25
2.4× cheaper
Output
$2.50
6.0× cheaper
xAI: Grok 4.3 is cheaper on both — 2.4× input, 6.0× output
Writing DNA
Style Comparison
Similarity
61%
xAI: Grok 4 uses 7.0x more emoji
xAI: Grok 4
xAI: Grok 4.3
53%Vocabulary62%
18wSentence Length16w
0.67Hedging0.46
2.7Bold2.3
2.7Lists2.5
0.07Emoji0.00
0.86Headings0.34
0.04Transitions0.14
Based on 21 + 27 text responses
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