Mistral Devstral Small 1.1vsGPT-4o (Omni)
Mistral Devstral Small 1.1 is cheaper than GPT-4o (Omni) at $0.1/M vs $2.5/M input tokens.
| Spec | Mistral Devstral Small 1.1 | GPT-4o (Omni) |
|---|---|---|
| Input price | $0.1/M tokens | $2.5/M tokens |
| Output price | $0.3/M tokens | $10/M tokens |
| Context window | — | 128K tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jul 2025 | May 2024 |
Our Verdict
GPT-4o (Omni)
Mistral Devstral Small 1.1Runner-up
Not enough votes to call it. On the specs, GPT-4o (Omni) has the edge: bigger model tier, bigger context window, major provider backing.
Mistral Devstral Small 1.1 costs 33x less per token.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Small 1.1
Input
$0.10
25× cheaper
Output
$0.30
33× cheaper
GPT-4o (Omni)
Input
$2.50
Output
$10.00
Mistral Devstral Small 1.1 is cheaper on both: 25× input, 33× output.
Where to run it
2 hosts
Mistral Devstral Small 1.1
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
75%
GPT-4o (Omni) uses 2.5x more emoji
Mistral Devstral Small 1.1
GPT-4o (Omni)
51%Vocabulary54%
18wSentence Length18w
0.55Hedging0.72
3.8Bold7.3
5.1Lists5.6
0.00Emoji0.03
0.07Headings1.40
0.28Transitions0.26
Based on 27 + 24 text responses
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