Mistral Small 4vsMuse Spark 1.3
Mistral Small 4 is cheaper than Muse Spark 1.3 at $0.15/M vs $1.25/M input tokens.
| Spec | Mistral Small 4 | Muse Spark 1.3 |
|---|---|---|
| Input price | $0.15/M tokens | $1.25/M tokens |
| Output price | $0.6/M tokens | $4.25/M tokens |
| Context window | 262K tokens | 1.0M tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Mar 2026 | Sep 2026 |
Our Verdict
Muse Spark 1.3
Mistral Small 4Runner-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.
Mistral Small 4 costs 7.1x less per token.
Slight edge
API pricing
Cost per 1M tokens
Mistral Small 4
Input
$0.15
8.3× cheaper
Output
$0.60
7.1× cheaper
Muse Spark 1.3
Input
$1.25
Output
$4.25
Mistral Small 4 is cheaper on both: 8.3× input, 7.1× output.
Where to run it
3 hosts, cheapest first
Mistral Small 42 hosts
Muse Spark 1.31 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
30%
Mistral Small 4 uses 19.0x more emoji
Mistral Small 4
Muse Spark 1.3
50%Vocabulary59%
18wSentence Length14w
0.58Hedging0.28
9.0Bold2.6
5.6Lists2.3
0.19Emoji0.00
1.10Headings0.48
0.12Transitions0.02
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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