Mistral Devstral MediumvsGemini 3.1 Pro Preview
Mistral Devstral Medium is cheaper than Gemini 3.1 Pro Preview at $0.4/M vs $2/M input tokens.
| Spec | Mistral Devstral Medium | Gemini 3.1 Pro Preview |
|---|---|---|
| Input price | $0.4/M tokens | $2/M tokens |
| Output price | $2/M tokens | $12/M tokens |
| Context window | — | 1.0M tokens |
| Released | Jul 2025 | Feb 2026 |
| SWE-bench Verified | 61.6% | 80.6% |
Our Verdict
Gemini 3.1 Pro Preview
Mistral Devstral MediumRunner-up
Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Medium costs 6.0x less per token.
Slight edge
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
5.0× cheaper
Output
$2.00
6.0× cheaper
Gemini 3.1 Pro Preview
Input
$2.00
Output
$12.00
Mistral Devstral Medium is cheaper on both — 5.0× input, 6.0× output
Writing DNA
Style Comparison
Similarity
63%
Gemini 3.1 Pro Preview uses 3.8x more headings
Mistral Devstral Medium
Gemini 3.1 Pro Preview
50%Vocabulary54%
17wSentence Length18w
0.56Hedging0.29
4.5Bold4.9
5.3Lists3.3
0.00Emoji0.00
0.19Headings0.72
0.32Transitions0.14
Based on 21 + 23 text responses
Research
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FAQ
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