Claude 3.7 Sonnet vs Google: Gemini 2.5 Flash Preview 09-2025
Compare Claude 3.7 Sonnet by Anthropic against Google: Gemini 2.5 Flash Preview 09-2025 by Google AI, context windows of 200K vs 1.0M, tested across 51 shared challenges.
Our Verdict
Google: Gemini 2.5 Flash Preview 09-2025
Claude 3.7 SonnetRunner-up
No community votes yet. On paper, Google: Gemini 2.5 Flash Preview 09-2025 has the edge — bigger model tier, newer, bigger context window.
Google: Gemini 2.5 Flash Preview 09-2025 is 6.0x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Google: Gemini 2.5 Flash Preview 09-2025
Input
$0.30
10× cheaper
Output
$2.50
6.0× cheaper
Google: Gemini 2.5 Flash Preview 09-2025 is cheaper on both — 10× input, 6.0× output
Writing DNA
Style Comparison
Similarity
31%
Google: Gemini 2.5 Flash Preview 09-2025 uses 13.5x more emoji
Claude 3.7 Sonnet
Google: Gemini 2.5 Flash Preview 09-2025
62%Vocabulary53%
35wSentence Length19w
0.99Hedging0.30
1.2Bold5.8
4.3Lists3.1
0.00Emoji0.14
1.78Headings0.93
0.23Transitions0.22
Based on 13 + 22 text responses
Research
What we learned reading every model
FAQ
