Gemini 2.5 Flash Lite Preview 06-17 vs OpenAI: GPT-5.6 Luna Pro
Compare Gemini 2.5 Flash Lite Preview 06-17 by Google AI against OpenAI: GPT-5.6 Luna Pro by OpenAI, context windows of 1.0M vs 1.1M, tested across 11 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Luna Pro
Gemini 2.5 Flash Lite Preview 06-17Runner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Luna Pro has the edge — bigger model tier, newer.
Gemini 2.5 Flash Lite Preview 06-17 is 15x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Lite Preview 06-17
Input
$0.10
10× cheaper
Output
$0.40
15× cheaper
OpenAI: GPT-5.6 Luna Pro
Input
$1.00
Output
$6.00
Gemini 2.5 Flash Lite Preview 06-17 is cheaper on both — 10× input, 15× output
Writing DNA
Style Comparison
Similarity
42%
OpenAI: GPT-5.6 Luna Pro uses 53.7x more emoji
Gemini 2.5 Flash Lite Preview 06-17
OpenAI: GPT-5.6 Luna Pro
61%Vocabulary58%
10wSentence Length18w
0.12Hedging0.81
1.9Bold2.9
4.2Lists5.1
0.00Emoji0.54
0.05Headings1.10
0.00Transitions0.09
Based on 3 + 27 text responses
Research
What we learned reading every model
FAQ
