Claude 3.7 Thinking SonnetvsMistral Devstral Medium
Mistral Devstral Medium is cheaper than Claude 3.7 Thinking Sonnet at $0.4/M vs $6/M input tokens.
| Spec | Claude 3.7 Thinking Sonnet | Mistral Devstral Medium |
|---|---|---|
| Input price | $6/M tokens | $0.4/M tokens |
| Output price | $30/M tokens | $2/M tokens |
| Context window | 200K tokens | — |
| Released | Feb 2025 | Jul 2025 |
Our Verdict
Claude 3.7 Thinking Sonnet
Mistral Devstral MediumRunner-up
Not enough votes to call it. On the specs, Claude 3.7 Thinking Sonnet has the edge: bigger model tier, bigger context window, major provider backing.
Mistral Devstral Medium costs 15x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude 3.7 Thinking Sonnet
Input
$6.00
Output
$30.00
Mistral Devstral Medium
Input
$0.40
15× cheaper
Output
$2.00
15× cheaper
Mistral Devstral Medium is cheaper on both — 15× input, 15× output
Writing DNA
Style Comparison
Similarity
49%
Claude 3.7 Thinking Sonnet uses 9.5x more headings
Claude 3.7 Thinking Sonnet
Mistral Devstral Medium
61%Vocabulary50%
49wSentence Length17w
0.64Hedging0.56
2.2Bold4.5
4.5Lists5.3
0.00Emoji0.00
1.81Headings0.19
0.21Transitions0.32
Based on 21 + 21 text responses
Research
What we learned reading every model
FAQ
Common questions
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