Mistral Devstral Small 1.1vsGPT-5 Pro
Mistral Devstral Small 1.1 is cheaper than GPT-5 Pro at $0.1/M vs $15/M input tokens.
| Spec | Mistral Devstral Small 1.1 | GPT-5 Pro |
|---|---|---|
| Input price | $0.1/M tokens | $15/M tokens |
| Output price | $0.3/M tokens | $120/M tokens |
| Context window | — | 400K tokens |
| Released | Jul 2025 | Oct 2025 |
| SWE-bench Verified | 46.8% | 74.9% |
Our Verdict
GPT-5 Pro
Mistral Devstral Small 1.1Runner-up
Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Small 1.1 costs 400x less per token.
Slight edge
API pricing
Cost per 1M tokens
Mistral Devstral Small 1.1
Input
$0.10
150× cheaper
Output
$0.30
400× cheaper
GPT-5 Pro
Input
$15.00
Output
$120.00
Mistral Devstral Small 1.1 is cheaper on both — 150× input, 400× output
Writing DNA
Style Comparison
Similarity
46%
Mistral Devstral Small 1.1 uses 429.8x more bold
Mistral Devstral Small 1.1
GPT-5 Pro
50%Vocabulary65%
17wSentence Length15w
0.56Hedging0.32
4.3Bold0.0
5.7Lists2.9
0.00Emoji0.00
0.05Headings0.00
0.34Transitions0.01
Based on 21 + 11 text responses
Research
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FAQ
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