Kimi K3 vs Muse Spark 1.1

Price, context and benchmark scores side by side — every number from the live model catalogue.

Kimi K3moonshotai Muse Spark 1.1meta
Input / 1M tokens $3.00 $1.25
Output / 1M tokens $15.00 $4.25
1M in + 300K out $7.50 $2.52
Context window 1.0M 1.0M
Intelligence index 57.1 50.6
Coding index 76.2 71.3
Agentic index 50.1 37.5
Cheapest provider BaseTen Meta
Providers serving it 6 1
Weights Open Closed
Image input Yes Yes
Tool calling Yes Yes
Reasoning mode Yes Yes
Released Jul 16, 2026 Jul 16, 2026

Which one to pick

Pick Kimi K3 if…

  • You want the higher general-intelligence score (57.1).
  • Code quality is the priority — it leads on the coding index (76.2).
  • You are running agent loops — higher agentic index (50.1).
  • You want the option to self-host — weights are public.
  • You want provider redundancy: 6 providers serve it.

Pick Muse Spark 1.1 if…

  • Token cost matters: $4.25 per 1M output vs $15.00.
  • You need the bigger context window (1.0M).

FAQ

Is Kimi K3 better than Muse Spark 1.1?

Kimi K3 scores higher on general intelligence (57.1 vs 50.6), while Muse Spark 1.1 is 3.5× cheaper per output token ($4.25 vs $15.00). For code, Kimi K3 leads (76.2 coding index). Muse Spark 1.1 takes the larger context at 1.0M.

Which is cheaper, Kimi K3 or Muse Spark 1.1?

Muse Spark 1.1, at $4.25 per 1M output tokens versus $15.00. On a 1M input + 300K output workload that is $2.52 against $7.50.

Can I self-host Kimi K3 or Muse Spark 1.1?

Kimi K3: open weights (moonshotai/Kimi-K3). Muse Spark 1.1: closed weights, API only.

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