Gemini 2.5 Pro Preview 06-05 vs OpenAI: GPT-5.6 Luna Pro
Compare Gemini 2.5 Pro Preview 06-05 by Google AI against OpenAI: GPT-5.6 Luna Pro by OpenAI, context windows of 1.0M vs 1.1M, tested across 44 shared challenges.
Our Verdict
Gemini 2.5 Pro Preview 06-05
OpenAI: GPT-5.6 Luna Pro
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 2.5 Pro Preview 06-05
Input
$1.25
Output
$10.00
OpenAI: GPT-5.6 Luna Pro
Input
$1.00
1.3× cheaper
Output
$6.00
1.7× cheaper
OpenAI: GPT-5.6 Luna Pro is cheaper on both — 1.3× input, 1.7× output
Writing DNA
Style Comparison
Similarity
43%
OpenAI: GPT-5.6 Luna Pro uses 53.7x more emoji
Gemini 2.5 Pro Preview 06-05
OpenAI: GPT-5.6 Luna Pro
51%Vocabulary58%
15wSentence Length18w
0.31Hedging0.81
4.8Bold2.9
4.1Lists5.1
0.00Emoji0.54
0.98Headings1.10
0.05Transitions0.09
Based on 20 + 27 text responses
Research
What we learned reading every model
FAQ
