Mistral Devstral Mediumvso1
Mistral Devstral Medium is cheaper than o1 at $0.4/M vs $15/M input tokens.
| Spec | Mistral Devstral Medium | o1 |
|---|---|---|
| Input price | $0.4/M tokens | $15/M tokens |
| Output price | $2/M tokens | $60/M tokens |
| Context window | — | 128K tokens |
| Released | Jul 2025 | Dec 2024 |
| SWE-bench Verified | 61.6% | 48.9% |
Our Verdict
Mistral Devstral Medium
o1
Not enough votes to call it. On the specs, nothing separates them.
Mistral Devstral Medium costs 30x less per token.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
38× cheaper
Output
$2.00
30× cheaper
o1
Input
$15.00
Output
$60.00
Mistral Devstral Medium is cheaper on both — 38× input, 30× output
Writing DNA
Style Comparison
Similarity
59%
o1 uses 2.3x more headings
Mistral Devstral Medium
o1
50%Vocabulary64%
17wSentence Length16w
0.56Hedging0.76
4.5Bold5.0
5.3Lists2.6
0.00Emoji0.00
0.19Headings0.44
0.32Transitions0.40
Based on 21 + 13 text responses
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