Gemini 3.5 Flash vs xAI: Grok 4.3
Compare Gemini 3.5 Flash by Google AI against xAI: Grok 4.3 by xAI, context windows of 1.0M vs 1.0M, tested across 54 shared challenges.
Our Verdict
Gemini 3.5 Flash
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 3.6x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3.5 Flash
Input
$1.50
Output
$9.00
xAI: Grok 4.3
Input
$1.25
1.2× cheaper
Output
$2.50
3.6× cheaper
xAI: Grok 4.3 is cheaper on both — 1.2× input, 3.6× output
Writing DNA
Style Comparison
Similarity
51%
xAI: Grok 4.3 uses 3.0x more hedging
Gemini 3.5 Flash
xAI: Grok 4.3
59%Vocabulary62%
18wSentence Length16w
0.16Hedging0.46
4.4Bold2.3
3.0Lists2.5
0.00Emoji0.00
0.89Headings0.34
0.11Transitions0.14
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
