GLM-5.3-Flash vs Muse Spark Open (Xhigh)
Which is better for the money: GLM-5.3-Flash 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 2026-10-24.
Clear winner
Verdict
Pick GLM-5.3-Flash
Muse Spark Open (Xhigh) vs GLM-5.3-Flash: 6.9% less intelligence, 287.8% more cost to run the AA benchmark, and 55.9% faster end-to-end.
| Metric | GLM-5.3-Flash | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 38.9 | −6.9% Muse Spark Open (Xhig… is 6.9% less intelligent |
| Total AA cost (lower is better) | $305.52 | $1,184.90 | +287.8% Muse Spark Open (Xhig… is 3.9× more expensive |
| End-to-end time (lower is better) | 39.33s | 17.34s | −55.9% Muse Spark Open (Xhig… is 55.9% faster |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- GLM-5.3-Flash is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- 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-FlashMuse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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