Gemini 2.5 Flash Preview 05-20 (thinking) vs xAI: Grok 4.3
Compare Gemini 2.5 Flash Preview 05-20 (thinking) by Google AI against xAI: Grok 4.3 by xAI, context windows of 1.0M vs 1.0M, tested across 11 shared challenges.
Our Verdict
xAI: Grok 4.3
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, xAI: Grok 4.3 has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
8.3× cheaper
Output
$3.50
xAI: Grok 4.3
Input
$1.25
Output
$2.50
1.4× cheaper
Gemini 2.5 Flash Preview 05-20 (thinking) wins input (8.3× cheaper)·xAI: Grok 4.3 wins output (1.4× cheaper)
Writing DNA
Style Comparison
Similarity
52%
xAI: Grok 4.3 uses 46.3x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
xAI: Grok 4.3
70%Vocabulary62%
11wSentence Length16w
0.00Hedging0.46
4.2Bold2.3
7.3Lists2.5
0.00Emoji0.00
0.00Headings0.34
0.00Transitions0.14
Based on 3 + 27 text responses
Research
What we learned reading every model
FAQ
