Muse Spark 1.1 (Xhigh) vs Nemotron 3 Ultra 550B A55B (Reasoning)
Which is better for the money: Muse Spark 1.1 (Xhigh) by Meta or Nemotron 3 Ultra 550B A55B (Reasoning) by NVIDIA? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
Muse Spark 1.1 (Xhigh) scores 10.8 points higher (33.7 vs 22.9) but costs 2.6× as much to run the benchmark ($1527 vs $596; both premium class). Pick Muse Spark 1.1 (Xhigh) when the extra intelligence is worth the premium, otherwise Nemotron 3 Ultra 550B A55B (Reasoning).
| Metric | Muse Spark 1.1 (Xhigh) | Nemotron 3 Ultra 550B A55B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.7 | 22.9 | −32.0% Nemotron 3 Ultra 550B… is 32.0% less intelligent |
| Total AA cost (lower is better) | $1,527.49 | $596.33 | −61.0% Nemotron 3 Ultra 550B… is 61.0% cheaper |
| End-to-end time (lower is better) | 21.59s | 14.75s | −31.7% Nemotron 3 Ultra 550B… is 31.7% faster |
| Price per 1M tokens (in / out) | $1.25 / $4.25 | $0.60 / $2.70 | |
| Input modalities | Text, Image, Speech, Video | Text |
Nemotron 3 Ultra 550B A55B (Reasoning) vs Muse Spark 1.1 (Xhigh): 32.0% less intelligence, 61.0% less cost to run the AA benchmark, and 31.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Muse Spark 1.1 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Nemotron 3 Ultra 550B A55B (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Muse Spark 1.1 (Xhigh)Nemotron 3 Ultra 550B A55B (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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