Claude 3.7 SonnetvsGemini 2.5 Flash Preview (thinking)
Gemini 2.5 Flash Preview (thinking) is cheaper than Claude 3.7 Sonnet at $0.175/M vs $3/M input tokens.
| Spec | Claude 3.7 Sonnet | Gemini 2.5 Flash Preview (thinking) |
|---|---|---|
| Input price | $3/M tokens | $0.175/M tokens |
| Output price | $15/M tokens | $3.5/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | Apr 2025 |
Our Verdict
Claude 3.7 Sonnet
Gemini 2.5 Flash Preview (thinking)
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.5 Flash Preview (thinking) costs 4.3x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Gemini 2.5 Flash Preview (thinking)
Input
$0.17
17× cheaper
Output
$3.50
4.3× cheaper
Gemini 2.5 Flash Preview (thinking) is cheaper on both: 17× input, 4.3× output.
Writing DNA
Style Comparison
Similarity
40%
Claude 3.7 Sonnet uses 178.0x more headings
Claude 3.7 Sonnet
Gemini 2.5 Flash Preview (thinking)
61%Vocabulary53%
33wSentence Length14w
0.83Hedging0.38
2.2Bold4.4
4.9Lists4.1
0.00Emoji0.00
1.78Headings0.00
0.16Transitions0.24
Based on 26 + 7 text responses
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