Final Router

Comparison

Kimi K3 vs Muse Spark 1.1

How Kimi K3 and Muse Spark 1.1 compare on the numbers that decide the call - and how to switch between them without touching your code.

SpecKimi K3Muse Spark 1.1
Input price / 1Mlower is cheaper$3$1.25
Output price / 1Mlower is cheaper$15$4.25
Context windowbigger fits more1.048576M1.048576M
Typical speedfaster median2.2s1.7s
Quality score94/10083/100
ProviderMoonshot AIMeta

Which should you pick?

  • Muse Spark 1.1 is cheaper on input tokens ($1.25 vs $3).
  • Muse Spark 1.1 is usually the faster to answer.
  • Kimi K3 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 Kimi K3 or Muse Spark 1.1 cheaper?
Muse Spark 1.1 is cheaper on input tokens - $1.25 vs $3 per 1M. Neither is marked up: Final Router bills provider list price.
Can I switch between Kimi K3 and Muse Spark 1.1 without changing my code?
Yes. Both are called through the same OpenAI-compatible endpoint - change only the model id ("moonshot/kimi-k3" or "meta/muse-spark-1.1"), or let a routing policy fall back from one to the other automatically.
Call either, freeKimi K3 detailsMuse Spark 1.1 details