Gemini 3.6 Flash vs xAI: Grok 4.5
Compare Gemini 3.6 Flash by Google AI against xAI: Grok 4.5 by xAI, context windows of 1.0M vs 500K, tested across 54 shared challenges.
Our Verdict
Gemini 3.6 Flash
xAI: Grok 4.5
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3.6 Flash
Input
$1.50
1.3× cheaper
Output
$7.50
xAI: Grok 4.5
Input
$2.00
Output
$6.00
1.3× cheaper
Gemini 3.6 Flash wins input (1.3× cheaper)·xAI: Grok 4.5 wins output (1.3× cheaper)
Writing DNA
Style Comparison
Similarity
55%
Gemini 3.6 Flash uses 2.2x more bold
Gemini 3.6 Flash
xAI: Grok 4.5
60%Vocabulary61%
19wSentence Length16w
0.13Hedging0.23
5.4Bold2.5
2.7Lists2.4
0.04Emoji0.09
0.99Headings0.48
0.07Transitions0.06
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
