Gemini 2.5 Pro (I/O Edition) vs Google: Gemini 3.1 Flash Lite Preview
Compare Gemini 2.5 Pro (I/O Edition) and Google: Gemini 3.1 Flash Lite Preview, both from Google AI, tested across 40 shared challenges.
Our Verdict
Gemini 2.5 Pro (I/O Edition)
Google: Gemini 3.1 Flash Lite Preview
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemini 3.1 Flash Lite Preview is 6.7x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
Output
$10.00
Google: Gemini 3.1 Flash Lite Preview
Input
$0.25
5.0× cheaper
Output
$1.50
6.7× cheaper
Google: Gemini 3.1 Flash Lite Preview is cheaper on both — 5.0× input, 6.7× output
Writing DNA
Style Comparison
Similarity
45%
Google: Gemini 3.1 Flash Lite Preview uses 6.1x more transitions
Gemini 2.5 Pro (I/O Edition)
Google: Gemini 3.1 Flash Lite Preview
58%Vocabulary56%
16wSentence Length18w
0.38Hedging0.28
5.8Bold5.4
5.0Lists3.9
0.00Emoji0.00
0.63Headings0.95
0.01Transitions0.07
Based on 16 + 23 text responses
Research
What we learned reading every model
FAQ
