Gemini 3.6 Flash vs Grok 4.20 Beta
Compare Gemini 3.6 Flash by Google AI against Grok 4.20 Beta by xAI, context windows of 1.0M vs 2.0M, tested across 53 shared challenges.
Our Verdict
Grok 4.20 Beta
Gemini 3.6 FlashRunner-up
No community votes yet. On paper, Grok 4.20 Beta has the edge — bigger model tier, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3.6 Flash
Input
$1.50
1.3× cheaper
Output
$7.50
Grok 4.20 Beta
Input
$2.00
Output
$6.00
1.3× cheaper
Gemini 3.6 Flash wins input (1.3× cheaper)·Grok 4.20 Beta wins output (1.3× cheaper)
Writing DNA
Style Comparison
Similarity
48%
Gemini 3.6 Flash uses 4.2x more emoji
Gemini 3.6 Flash
Grok 4.20 Beta
60%Vocabulary57%
19wSentence Length20w
0.13Hedging0.35
5.4Bold4.2
2.7Lists3.7
0.04Emoji0.00
0.99Headings0.62
0.07Transitions0.14
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
