Gemini 2.0 Flash Thinking vs GPT-5.4 Nano
Compare Gemini 2.0 Flash Thinking by Google AI against GPT-5.4 Nano by OpenAI, context windows of 500K vs 400K, tested across 20 shared challenges.
Our Verdict
Gemini 2.0 Flash Thinking
GPT-5.4 Nano
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
API pricing
Cost per 1M tokens
Gemini 2.0 Flash Thinking
Input
$0.25
Output
$0.50
2.5× cheaper
GPT-5.4 Nano
Input
$0.20
1.3× cheaper
Output
$1.25
GPT-5.4 Nano wins input (1.3× cheaper)·Gemini 2.0 Flash Thinking wins output (2.5× cheaper)
Writing DNA
Style Comparison
Similarity
39%
Gemini 2.0 Flash Thinking
GPT-5.4 Nano
54%Vocabulary51%
15wSentence Length21w
0.64Hedging0.58
3.8Bold7.1
2.4Lists5.5
0.00Emoji0.01
0.03Headings1.39
0.30Transitions0.05
Based on 13 + 23 text responses
Research
What we learned reading every model
FAQ
