Gemini 3 Flash Preview vs Grok 4.20 Multi-Agent Beta
Compare Gemini 3 Flash Preview by Google AI against Grok 4.20 Multi-Agent Beta by xAI, context windows of 1.0M vs 2.0M, tested across 53 shared challenges.
Our Verdict
Grok 4.20 Multi-Agent Beta
Gemini 3 Flash PreviewRunner-up
No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
Gemini 3 Flash Preview
Input
$0.50
4.0× cheaper
Output
$3.00
2.0× cheaper
Grok 4.20 Multi-Agent Beta
Input
$2.00
Output
$6.00
Gemini 3 Flash Preview is cheaper on both — 4.0× input, 2.0× output
Writing DNA
Style Comparison
Similarity
51%
Gemini 3 Flash Preview uses 3.2x more headings
Gemini 3 Flash Preview
Grok 4.20 Multi-Agent Beta
55%Vocabulary59%
18wSentence Length16w
0.42Hedging0.41
7.1Bold2.7
4.5Lists2.4
0.00Emoji0.00
0.84Headings0.26
0.07Transitions0.02
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
