Gemini 3.5 Flash vs Grok 3
Compare Gemini 3.5 Flash by Google AI against Grok 3 by xAI, context windows of 1.0M vs 128K, tested across 52 shared challenges. Updated May 2026.
Which is better, Gemini 3.5 Flash or Grok 3?
Gemini 3.5 Flash and Grok 3 are both competitive models. Context windows: 1049K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 3.5 Flash and Grok 3
Gemini 3.5 Flash is made by google while Grok 3 is from xai. Gemini 3.5 Flash has a 1049K token context window compared to Grok 3's 128K.
API pricing
Per 1M tokens
Gemini 3.5 Flash
Input
$1.50
Output
$9.00
Grok 3
Input
—
Output
—
Our Verdict
Gemini 3.5 Flash
Grok 3
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
Writing DNA
Style Comparison
Similarity
36%
Grok 3 uses 3.9x more emoji
Gemini 3.5 Flash
Grok 3
59%Vocabulary49%
18wSentence Length18w
0.16Hedging0.94
4.4Bold2.5
3.0Lists3.0
0.00Emoji0.04
0.89Headings0.65
0.11Transitions0.08
Based on 27 + 17 text responses
FAQ
