Mistral Devstral MediumvsMuse Spark 1.3
Mistral Devstral Medium is cheaper than Muse Spark 1.3 at $0.4/M vs $1.25/M input tokens.
| Spec | Mistral Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| Input price | $0.4/M tokens | $1.25/M tokens |
| Output price | $2/M tokens | $4.25/M tokens |
| Context window | — | 1.0M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jul 2025 | Sep 2026 |
Our Verdict
Muse Spark 1.3
Mistral Devstral MediumRunner-up
Not enough votes to call it. On the specs, Muse Spark 1.3 has the edge: bigger model tier, newer, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
Mistral Devstral Medium
Input
$0.40
3.1× cheaper
Output
$2.00
2.1× cheaper
Muse Spark 1.3
Input
$1.25
Output
$4.25
Mistral Devstral Medium is cheaper on both: 3.1× input, 2.1× output.
Where to run it
1 host
Mistral Devstral Medium
No hosts listed on OpenRouter.
Muse Spark 1.31 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
43%
Mistral Devstral Medium uses 16.0x more transitions
Mistral Devstral Medium
Muse Spark 1.3
50%Vocabulary59%
18wSentence Length14w
0.50Hedging0.28
4.1Bold2.6
4.8Lists2.3
0.00Emoji0.00
0.19Headings0.48
0.29Transitions0.02
Based on 27 + 27 text responses
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