Gemini 2.0 Flash Thinking vs GPT-5.4 Mini
Compare Gemini 2.0 Flash Thinking by Google AI against GPT-5.4 Mini by OpenAI, context windows of 500K vs 400K, tested across 20 shared challenges.
Our Verdict
Gemini 2.0 Flash Thinking
GPT-5.4 Mini
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 9.0x 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
3.0× cheaper
Output
$0.50
9.0× cheaper
GPT-5.4 Mini
Input
$0.75
Output
$4.50
Gemini 2.0 Flash Thinking is cheaper on both — 3.0× input, 9.0× output
Writing DNA
Style Comparison
Similarity
37%
GPT-5.4 Mini uses 63.2x more headings
Gemini 2.0 Flash Thinking
GPT-5.4 Mini
54%Vocabulary54%
15wSentence Length20w
0.64Hedging0.72
3.8Bold6.0
2.4Lists8.3
0.00Emoji0.00
0.03Headings2.11
0.30Transitions0.04
Based on 13 + 23 text responses
Research
What we learned reading every model
FAQ
