Claude 3.7 SonnetvsMistral Devstral Small 1.1
Mistral Devstral Small 1.1 is cheaper than Claude 3.7 Sonnet at $0.1/M vs $3/M input tokens.
| Spec | Claude 3.7 Sonnet | Mistral Devstral Small 1.1 |
|---|---|---|
| Input price | $3/M tokens | $0.1/M tokens |
| Output price | $15/M tokens | $0.3/M tokens |
| Context window | 200K tokens | — |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | Jul 2025 |
| SWE-bench Verified | 70.3% | 46.8% |
Our Verdict
Claude 3.7 Sonnet
Mistral Devstral Small 1.1Runner-up
Not enough votes to call it. On the specs, Claude 3.7 Sonnet has the edge: bigger model tier, bigger context window, major provider backing.
Mistral Devstral Small 1.1 costs 50x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
Mistral Devstral Small 1.1
Input
$0.10
30× cheaper
Output
$0.30
50× cheaper
Mistral Devstral Small 1.1 is cheaper on both: 30× input, 50× output.
Writing DNA
Style Comparison
Similarity
52%
Claude 3.7 Sonnet uses 24.4x more headings
Claude 3.7 Sonnet
Mistral Devstral Small 1.1
61%Vocabulary51%
33wSentence Length18w
0.83Hedging0.55
2.2Bold3.8
4.9Lists5.1
0.00Emoji0.00
1.78Headings0.07
0.16Transitions0.28
Based on 26 + 27 text responses
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