Comparison
Muse Spark 1.1 vs Muse Spark 1.2
How Muse Spark 1.1 and Muse Spark 1.2 compare on the numbers that decide the call - and how to switch between them without touching your code.
| Spec | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| Input price / 1Mlower is cheaper | $1.25 | $1.25 |
| Output price / 1Mlower is cheaper | $4.25 | $4.25 |
| Context windowbigger fits more | 1.048576M | 1.048576M |
| Typical speedfaster median | 1.7s | 1.8s |
| Quality score | 83/100 | 88/100 |
| Provider | Meta | Meta |
Which should you pick?
- Muse Spark 1.1 is usually the faster to answer.
- Muse Spark 1.2 scores higher on the composite quality benchmark.
You do not have to choose permanently. Name one as your first choice and let Final Router fall back to the other when a provider fails - the request still gets answered, and the log shows which model replied.
Common questions
- Is Muse Spark 1.1 or Muse Spark 1.2 cheaper?
- Their input token prices are the same ($1.25 per 1M). Compare output: $4.25 vs $4.25.
- Can I switch between Muse Spark 1.1 and Muse Spark 1.2 without changing my code?
- Yes. Both are called through the same OpenAI-compatible endpoint - change only the model id ("meta/muse-spark-1.1" or "meta/muse-spark-1.2"), or let a routing policy fall back from one to the other automatically.