Claude 3.7 Sonnet vs Gemini 3.5 Flash
Compare Claude 3.7 Sonnet by Anthropic against Gemini 3.5 Flash by Google AI, in 3 community votes, gemini 3.5 flash wins 100% of head-to-head duels, context windows of 200K vs 1.0M, tested across 54 shared challenges.
Image Generation: Gemini 3.5 Flash wins 100% of votes
Our Verdict
Gemini 3.5 FlashWinner
Claude 3.7 SonnetRunner-up
Pick Gemini 3.5 Flash. In 3 blind votes, Gemini 3.5 Flash wins 100% of the time. That's not luck.
Gemini 3.5 Flash particularly excels in Image Generation.
Clear winner
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Gemini 3.5 Flash
Input
$1.50
2.0× cheaper
Output
$9.00
1.7× cheaper
Gemini 3.5 Flash is cheaper on both — 2.0× input, 1.7× output
Writing DNA
Style Comparison
Similarity
34%
Claude 3.7 Sonnet uses 6.3x more hedging
Claude 3.7 Sonnet
Gemini 3.5 Flash
62%Vocabulary59%
35wSentence Length18w
0.99Hedging0.16
1.2Bold4.4
4.3Lists3.0
0.00Emoji0.00
1.78Headings0.89
0.23Transitions0.11
Based on 13 + 27 text responses
Research
What we learned reading every model
FAQ
