Kimi K3.1 Pro vs Muse Spark 1.2 (Xhigh)
Which is better for the money: Kimi K3.1 Pro by Kimi or Muse Spark 1.2 (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 15.5 points higher (55.1 vs 39.6) but costs 2.3× as much to run the benchmark ($3117 vs $1385; flagship vs premium cost classes). Pick Kimi K3.1 Pro when the extra intelligence is worth the premium, otherwise Muse Spark 1.2 (Xhigh).
| Metric | Kimi K3.1 Pro | Muse Spark 1.2 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 55.1 | 39.6 | −28.1% Muse Spark 1.2 (Xhigh) is 28.1% less intelligent |
| Total AA cost (lower is better) | $3,117.31 | $1,385.40 | −55.6% Muse Spark 1.2 (Xhigh) is 55.6% cheaper |
| End-to-end time (lower is better) | 42.64s | 20.85s | −51.1% Muse Spark 1.2 (Xhigh) is 51.1% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark 1.2 (Xhigh) vs Kimi K3.1 Pro: 28.1% less intelligence, 55.6% less cost to run the AA benchmark, and 51.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
- Muse Spark 1.2 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Kimi K3.1 ProMuse Spark 1.2 (Xhigh)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/kimi-k3-1-pro/muse-spark-1-2 · Markdown: /api/v1/compare/kimi-k3-1-pro/muse-spark-1-2?format=md · llms.txt · agent skill