Muse Spark Open (Xhigh) vs Solar Pro 3
Which is better for the money: Muse Spark Open (Xhigh) by Meta or Solar Pro 3 by Upstage? 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 31.1 points higher (38.9 vs 7.8) but costs 7.4× as much to run the benchmark ($1185 vs $159; premium vs mid-range cost classes). They are not alternatives at one budget: pick Muse Spark Open (Xhigh) when you need intelligence above 7.8, and Solar Pro 3 when 7.8 is enough.
| Metric | Muse Spark Open (Xhigh) | Solar Pro 3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.9 | 7.8 | −79.9% Solar Pro 3 is 79.9% less intelligent |
| Total AA cost (lower is better) | $1,184.90 | $159.22 | −86.6% Solar Pro 3 is 86.6% cheaper |
| End-to-end time (lower is better) | 17.34s | 18.89s | +8.9% Solar Pro 3 is 8.9% slower |
| Price per 1M tokens (in / out) | $1.25 / $4.25 | $0.15 / $0.60 | |
| Input modalities | Text, Image, Speech, Video | Text |
Solar Pro 3 vs Muse Spark Open (Xhigh): 79.9% less intelligence, 86.6% less cost to run the AA benchmark, and 8.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Muse Spark Open (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Solar Pro 3 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
Muse Spark Open (Xhigh)Solar Pro 3Today's Pareto frontierOpen-weights frontierEvery other model
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