Kimi K3 (Max) vs Muse Spark Open (Xhigh)
Which is better for the money: Kimi K3 (Max) by Kimi or Muse Spark Open (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Kimi K3 (Max) scores 4.7 points higher (43.6 vs 38.9) but costs 3.1× as much to run the benchmark ($3658 vs $1185; flagship vs premium cost classes). They are not alternatives at one budget: pick Kimi K3 (Max) when you need intelligence above 38.9, and Muse Spark Open (Xhigh) when 38.9 is enough.
| Metric | Kimi K3 (Max) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 43.6 | 38.9 | −10.8% Muse Spark Open (Xhig… is 10.8% less intelligent |
| Total AA cost (lower is better) | $3,658.07 | $1,184.90 | −67.6% Muse Spark Open (Xhig… is 67.6% cheaper |
| End-to-end time (lower is better) | 58.57s | 17.34s | −70.4% Muse Spark Open (Xhig… is 70.4% faster |
| Price per 1M tokens (in / out) | $3.00 / $15.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs Kimi K3 (Max): 10.8% less intelligence, 67.6% less cost to run the AA benchmark, and 70.4% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Kimi K3 (Max) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Muse Spark Open (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Kimi K3 (Max)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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