Compare · updated 2026-11-01
DeepSeek Flash vs Muse Spark
DeepSeek Flash is better at quick answers, writing, coding, structured data, long documents, translation; Muse Spark is better at reasoning, maths. DeepSeek Flash is the cheaper of the two on output.
Measured quality by task
| Task | DeepSeek Flash | Muse Spark | Better |
|---|---|---|---|
| Quick answers | 91/100 | 89/100 | DeepSeek Flash |
| Writing | 87/100 | 86/100 | DeepSeek Flash |
| Coding | 85/100 | 84/100 | DeepSeek Flash |
| Reasoning | 80/100 | 83/100 | Muse Spark |
| Maths | 78/100 | 80/100 | Muse Spark |
| Structured data | 92/100 | 88/100 | DeepSeek Flash |
| Long documents | 91/100 | 90/100 | DeepSeek Flash |
| Translation | 90/100 | 89/100 | DeepSeek Flash |
Quality is Nivana’s measured score for each kind of task, from weekly pairwise evals judged by models from several labs. Prices are live AI Gateway list prices per million tokens. Updated 2026-11-01. How this is measured.
Price and context
| DeepSeek Flash | Muse Spark | |
|---|---|---|
| Lab | DeepSeek | Meta |
| Input per 1M tokens | $0.3 | $1.25 |
| Output per 1M tokens | $1.2 | $4.25 |
| Typical chat answer | $0.00129 | $0.00485 |
| Context window | 1.05M | 1.05M |
| Router picks it for | Fallback only | Fallback only |
Which should you use?
Use the one that wins the kind of work you do most, unless the price gap outweighs the quality gap for easy requests. Or don’t choose: Nivana scores both, and the rest of the pool, on every request and sends it to whichever is best for that request.
Questions
Is DeepSeek Flash better than Muse Spark?
On Nivana’s weekly evals DeepSeek Flash scores higher on 6 of 8 task types (quick answers, writing, coding, structured data, long documents, translation) and Muse Spark on 2 (reasoning, maths). Neither is better at everything.
Which is better for coding, DeepSeek Flash or Muse Spark?
DeepSeek Flash: 85/100 against 84/100 for Muse Spark on Nivana’s coding evals.
Which is better for writing, DeepSeek Flash or Muse Spark?
DeepSeek Flash: 87/100 against 86/100 for Muse Spark on Nivana’s writing evals.
Which is cheaper, DeepSeek Flash or Muse Spark?
DeepSeek Flash: $1.2 per million output tokens against $4.25 for Muse Spark, about 3.5× less. A typical chat answer costs about $0.0013 on DeepSeek Flash and $0.0049 on Muse Spark.
Or let the router pick, per request
Nivana sends every message to the model that scores best for it, sets how hard it thinks, and tells you which one answered. 2,000 free credits to start, no card.