Gemini 3.6 Flash vs GPT-5.4 Pro
Compare Gemini 3.6 Flash by Google AI against GPT-5.4 Pro by OpenAI, context windows of 1.0M vs 1.1M, tested across 18 shared challenges.
Our Verdict
Gemini 3.6 Flash
GPT-5.4 Pro
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 3.6 Flash is 24x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3.6 Flash
Input
$1.50
20× cheaper
Output
$7.50
24× cheaper
GPT-5.4 Pro
Input
$30.00
Output
$180.00
Gemini 3.6 Flash is cheaper on both — 20× input, 24× output
Writing DNA
Style Comparison
Similarity
50%
Gemini 3.6 Flash uses 4.2x more emoji
Gemini 3.6 Flash
GPT-5.4 Pro
60%Vocabulary50%
19wSentence Length35w
0.13Hedging0.70
5.4Bold7.5
2.7Lists8.3
0.04Emoji0.00
0.99Headings2.52
0.07Transitions0.01
Based on 27 + 12 text responses
Research
What we learned reading every model
FAQ
Common questions
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