Claude Opus 5.5 (Medium, Default Fallback) vs Muse Spark 1.2 (Xhigh)
Which is better for the money: Claude Opus 5.5 (Medium, Default Fallback) by Anthropic or Muse Spark 1.2 (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
Claude Opus 5.5 (Medium, Default Fallba… scores 11.6 points higher (51.2 vs 39.6) but costs 1.2× as much to run the benchmark ($1627 vs $1385; both premium class). Pick Claude Opus 5.5 (Medium, Default Fallba… when the extra intelligence is worth the premium, otherwise Muse Spark 1.2 (Xhigh).
| Metric | Claude Opus 5.5 (Medium, Default Fallback) | Muse Spark 1.2 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.2 | 39.6 | −22.7% Muse Spark 1.2 (Xhigh) is 22.7% less intelligent |
| Total AA cost (lower is better) | $1,626.81 | $1,385.40 | −14.8% Muse Spark 1.2 (Xhigh) is 14.8% cheaper |
| End-to-end time (lower is better) | 21.83s | 20.60s | −5.6% Muse Spark 1.2 (Xhigh) is 5.6% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark 1.2 (Xhigh) vs Claude Opus 5.5 (Medium, Default Fallback): 22.7% less intelligence, 14.8% less cost to run the AA benchmark, and 5.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Medium, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Muse Spark 1.2 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (Medium, Default Fallback)Muse Spark 1.2 (Xhigh)Today's Pareto frontierEvery other model
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