Gemini 3.1 Pro Preview vs OpenAI: GPT-5.6 Luna
Compare Gemini 3.1 Pro Preview by Google AI against OpenAI: GPT-5.6 Luna by OpenAI, in 3 community votes, openai: gpt-5.6 luna wins 67% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 53 shared challenges.
Web Design: Gemini 3.1 Pro Preview and OpenAI: GPT-5.6 Luna are tied
Our Verdict
OpenAI: GPT-5.6 LunaWinner
Gemini 3.1 Pro PreviewRunner-up
Pick OpenAI: GPT-5.6 Luna. In 3 blind votes, OpenAI: GPT-5.6 Luna wins 67% of the time. That's not luck.
Clear winner
API pricing
Cost per 1M tokens
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
OpenAI: GPT-5.6 Luna
Input
$1.00
2.0× cheaper
Output
$6.00
2.0× cheaper
OpenAI: GPT-5.6 Luna is cheaper on both — 2.0× input, 2.0× output
Writing DNA
Style Comparison
Similarity
33%
OpenAI: GPT-5.6 Luna uses 2.9x more hedging
Gemini 3.1 Pro Preview
OpenAI: GPT-5.6 Luna
54%Vocabulary59%
18wSentence Length19w
0.29Hedging0.84
4.9Bold2.7
3.3Lists4.5
0.00Emoji0.00
0.72Headings1.20
0.14Transitions0.10
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
