Claude Sonnet 5.5 (Max, Default Fallback) vs Muse Spark Open (Xhigh)
Which is better for the money: Claude Sonnet 5.5 (Max, Default Fallback) by Anthropic 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.
Depends on your budget
Claude Sonnet 5.5 (Max, Default Fallbac… scores 17.1 points higher (56.0 vs 38.9) but costs 6.1× as much to run the benchmark ($7260 vs $1185; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Sonnet 5.5 (Max, Default Fallbac… when you need intelligence above 38.9, and Muse Spark Open (Xhigh) when 38.9 is enough.
| Metric | Claude Sonnet 5.5 (Max, Default Fallback) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.0 | 38.9 | −30.5% Muse Spark Open (Xhig… is 30.5% less intelligent |
| Total AA cost (lower is better) | $7,259.50 | $1,184.90 | −83.7% Muse Spark Open (Xhig… is 83.7% cheaper |
| End-to-end time (lower is better) | 360.52s | 17.34s | −95.2% Muse Spark Open (Xhig… is 95.2% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs Claude Sonnet 5.5 (Max, Default Fallback): 30.5% less intelligence, 83.7% less cost to run the AA benchmark, and 95.2% faster end-to-end.
Against the frontier
- Claude Sonnet 5.5 (Max, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- Muse Spark Open (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Compare something else
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