Grok 4.3 (High) vs Muse Spark 1.3 (Xhigh)
Which is better for the money: Grok 4.3 (High) by SpaceXAI or Muse Spark 1.3 (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 1.3 (Xhigh) scores 20.2 points higher (45.1 vs 24.9) but costs 4.6× as much to run the benchmark ($1655 vs $363; premium vs mid-range cost classes). They are not alternatives at one budget: pick Muse Spark 1.3 (Xhigh) when you need intelligence above 24.9, and Grok 4.3 (High) when 24.9 is enough.
| Metric | Grok 4.3 (High) | Muse Spark 1.3 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.9 | 45.1 | +81.1% Muse Spark 1.3 (Xhigh) is 81.1% more intelligent |
| Total AA cost (lower is better) | $363.24 | $1,655.27 | +355.7% Muse Spark 1.3 (Xhigh) is 4.6× more expensive |
| End-to-end time (lower is better) | 28.87s | 30.45s | +5.5% Muse Spark 1.3 (Xhigh) is 5.5% slower |
| Price per 1M tokens (in / out) | $1.25 / $2.50 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Video |
Muse Spark 1.3 (Xhigh) vs Grok 4.3 (High): 81.1% more intelligence, 355.7% more cost to run the AA benchmark, and 5.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Muse Spark 1.3 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Grok 4.3 (High)Muse Spark 1.3 (Xhigh)Today's Pareto frontierEvery other model
Matchup
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