Claude 4.5 Sonnet (Reasoning) vs Muse Spark Open (Xhigh)
Which is better for the money: Claude 4.5 Sonnet (Reasoning) 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.
Clear winner
Verdict
Pick Muse Spark Open (Xhigh)
Muse Spark Open (Xhigh) vs Claude 4.5 Sonnet (Reasoning): 87.9% more intelligence, 21.1% less cost to run the AA benchmark, and 16.9% faster end-to-end.
| Metric | Claude 4.5 Sonnet (Reasoning) | 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) | $1,501.22 | $1,184.90 | −21.1% Muse Spark Open (Xhig… is 21.1% cheaper |
| End-to-end time (lower is better) | 20.86s | 17.34s | −16.9% Muse Spark Open (Xhig… is 16.9% faster |
| Price per 1M tokens (in / out) | $3.00 / $15.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- Claude 4.5 Sonnet (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Muse Spark Open (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude 4.5 Sonnet (Reasoning)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
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