Gemini 2.5 Flash Preview 05-20 (thinking) vs Gemini 3.6 Flash
Compare Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.6 Flash, both from Google AI, context windows of 1.0M vs 1.0M, tested across 11 shared challenges.
Our Verdict
Gemini 3.6 Flash
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, Gemini 3.6 Flash has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
10× cheaper
Output
$3.50
2.1× cheaper
Gemini 3.6 Flash
Input
$1.50
Output
$7.50
Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper on both — 10× input, 2.1× output
Writing DNA
Style Comparison
Similarity
58%
Gemini 3.6 Flash uses 12.5x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
Gemini 3.6 Flash
70%Vocabulary60%
11wSentence Length19w
0.00Hedging0.13
4.2Bold5.4
7.3Lists2.7
0.00Emoji0.04
0.00Headings0.99
0.00Transitions0.07
Based on 3 + 27 text responses
Research
What we learned reading every model
FAQ
