GLM-5.3 (Low) vs Muse Spark Open (Xhigh)
Which is better for the money: GLM-5.3 (Low) by Z AI 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
Muse Spark Open (Xhigh) scores 4.6 points higher (38.9 vs 34.3) but costs 1.2× as much to run the benchmark ($1185 vs $1013; both premium class). Pick Muse Spark Open (Xhigh) when the extra intelligence is worth the premium, otherwise GLM-5.3 (Low).
| Metric | GLM-5.3 (Low) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 38.9 | +13.4% Muse Spark Open (Xhig… is 13.4% more intelligent |
| Total AA cost (lower is better) | $1,012.50 | $1,184.90 | +17.0% Muse Spark Open (Xhig… is 17.0% more expensive |
| End-to-end time (lower is better) | 31.17s | 17.34s | −44.4% Muse Spark Open (Xhig… is 44.4% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $1.25 / $4.25 | |
| Input modalities | Text | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs GLM-5.3 (Low): 13.4% more intelligence, 17.0% more cost to run the AA benchmark, and 44.4% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Muse Spark Open (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GLM-5.3 (Low)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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