GPT-5.4 nano (Xhigh) vs Muse Spark Open (Xhigh)
Which is better for the money: GPT-5.4 nano (Xhigh) by OpenAI 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 18.2 points higher (38.9 vs 20.7) but costs 3.6× as much to run the benchmark ($1185 vs $331; premium vs mid-range cost classes). They are not alternatives at one budget: pick Muse Spark Open (Xhigh) when you need intelligence above 20.7, and GPT-5.4 nano (Xhigh) when 20.7 is enough.
| Metric | GPT-5.4 nano (Xhigh) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 38.9 | +87.9% Muse Spark Open (Xhig… is 87.9% more intelligent |
| Total AA cost (lower is better) | $331.24 | $1,184.90 | +257.7% Muse Spark Open (Xhig… is 3.6× more expensive |
| End-to-end time (lower is better) | 80.72s | 16.47s | −79.6% Muse Spark Open (Xhig… is 79.6% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs GPT-5.4 nano (Xhigh): 87.9% more intelligence, 257.7% more cost to run the AA benchmark, and 79.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.4 nano (Xhigh) 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.
GPT-5.4 nano (Xhigh)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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