Gemini 2.0 Flash Thinking vs xAI: Grok 4.5
Compare Gemini 2.0 Flash Thinking by Google AI against xAI: Grok 4.5 by xAI, context windows of 500K vs 500K, tested across 20 shared challenges.
Our Verdict
Gemini 2.0 Flash Thinking
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.
Gemini 2.0 Flash Thinking is 12x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.0 Flash Thinking
Input
$0.25
8.0× cheaper
Output
$0.50
12× cheaper
xAI: Grok 4.5
Input
$2.00
Output
$6.00
Gemini 2.0 Flash Thinking is cheaper on both — 8.0× input, 12× output
Writing DNA
Style Comparison
Similarity
49%
xAI: Grok 4.5 uses 9.0x more emoji
Gemini 2.0 Flash Thinking
xAI: Grok 4.5
54%Vocabulary61%
15wSentence Length16w
0.64Hedging0.23
3.8Bold2.5
2.4Lists2.4
0.00Emoji0.09
0.03Headings0.48
0.30Transitions0.06
Based on 13 + 27 text responses
Research
What we learned reading every model
FAQ
