Google: Gemini 2.5 Flash Preview 09-2025 vs Gemini 3.6 Flash
Compare Google: Gemini 2.5 Flash Preview 09-2025 and Gemini 3.6 Flash, both from Google AI, context windows of 1.0M vs 1.0M, tested across 50 shared challenges.
Our Verdict
Google: Gemini 2.5 Flash Preview 09-2025
Gemini 3.6 Flash
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemini 2.5 Flash Preview 09-2025 is 3.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Google: Gemini 2.5 Flash Preview 09-2025
Input
$0.30
5.0× cheaper
Output
$2.50
3.0× cheaper
Gemini 3.6 Flash
Input
$1.50
Output
$7.50
Google: Gemini 2.5 Flash Preview 09-2025 is cheaper on both — 5.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
48%
Google: Gemini 2.5 Flash Preview 09-2025 uses 3.3x more transitions
Google: Gemini 2.5 Flash Preview 09-2025
Gemini 3.6 Flash
53%Vocabulary60%
19wSentence Length19w
0.30Hedging0.13
5.8Bold5.4
3.1Lists2.7
0.14Emoji0.04
0.93Headings0.99
0.22Transitions0.07
Based on 22 + 27 text responses
Research
What we learned reading every model
FAQ
