Gemini 3.1 Pro Preview vs GPT-5.4 Pro
Compare Gemini 3.1 Pro Preview by Google AI against GPT-5.4 Pro by OpenAI, in 6 community votes, gemini 3.1 pro preview wins 67% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 18 shared challenges.
Reasoning: Gemini 3.1 Pro Preview wins 100% of votes
Web Design: GPT-5.4 Pro wins 100% of votes
Our Verdict
Gemini 3.1 Pro PreviewWinner
GPT-5.4 ProRunner-up
Pick Gemini 3.1 Pro Preview. In 6 blind votes, Gemini 3.1 Pro Preview wins 67% of the time. That's not luck.
Pick Gemini 3.1 Pro Preview for Reasoning. Pick GPT-5.4 Pro for Web Design. Gemini 3.1 Pro Preview is 15x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Gemini 3.1 Pro Preview
Input
$2.00
15× cheaper
Output
$12.00
15× cheaper
GPT-5.4 Pro
Input
$30.00
Output
$180.00
Gemini 3.1 Pro Preview is cheaper on both — 15× input, 15× output
Writing DNA
Style Comparison
Similarity
38%
Gemini 3.1 Pro Preview uses 14.2x more transitions
Gemini 3.1 Pro Preview
GPT-5.4 Pro
54%Vocabulary50%
18wSentence Length35w
0.29Hedging0.70
4.9Bold7.5
3.3Lists8.3
0.00Emoji0.00
0.72Headings2.52
0.14Transitions0.01
Based on 23 + 12 text responses
Research
What we learned reading every model
FAQ
