Kimi K3 vs Muse Spark 1.1: Specs & Benchmark Comparison
| Characteristic | Kimi K3 | Muse Spark 1.1 |
|---|---|---|
| Company | Moonshot AI | Meta |
| Release Date | July 16, 2026 | July 9, 2026 |
| Parameters | 2.8T | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 1.0M | 131K |
| Input Price / 1M | $3.00 | $1.25 |
| Output Price / 1M | $15.00 | $4.25 |
| Average Score | 1.0 | 0.8 |
Verdict
Muse Spark 1.1 leads in 1 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Kimi K3 — 1.0, Muse Spark 1.1 — 0.8.
API Cost
Muse Spark 1.1 is 3.3x cheaper: input $1.25/1M vs $3.00/1M tokens.
Context Window
Same context size: 1M tokens.
Recency
Both models were released around the same time: 7/16/2026 and 7/9/2026.
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Frequently Asked Questions
Which is better for coding — Kimi K3 or Muse Spark 1.1?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Kimi K3 or Muse Spark 1.1?
Muse Spark 1.1 is cheaper for input: $1.25 per 1M tokens vs $3.00.
Which has a larger context window — Kimi K3 or Muse Spark 1.1?
Kimi K3 supports a larger context: 1,000,000 tokens vs 1,000,000.
The Kimi K3 and Muse Spark 1.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Kimi K3 or Muse Spark 1.1 page. See also the complete list of AI model comparisons.