Gemini 2.5 Flash Preview 05-20 (thinking) vs Gemini 3.7 Flash
Compare Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.7 Flash, both from Google AI, context windows of 1.0M vs 1.0M, tested across 11 shared challenges.
Our Verdict
Gemini 3.7 Flash
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, Gemini 3.7 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
2.5× cheaper
Output
$3.50
Gemini 3.7 Flash
Input
$0.38
Output
$1.88
1.9× cheaper
Gemini 2.5 Flash Preview 05-20 (thinking) wins input (2.5× cheaper)·Gemini 3.7 Flash wins output (1.9× cheaper)
Writing DNA
Style Comparison
Similarity
49%
Gemini 3.7 Flash uses 29.2x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
Gemini 3.7 Flash
70%Vocabulary66%
11wSentence Length21w
0.00Hedging0.29
4.2Bold4.7
7.3Lists2.8
0.00Emoji0.00
0.00Headings1.03
0.00Transitions0.12
Based on 3 + 27 text responses
Research
What we learned reading every model
FAQ
