Claude Opus 5 (Medium) vs Muse Spark Open (Xhigh)
Which is better for the money: Claude Opus 5 (Medium) by Anthropic or Muse Spark Open (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Medium) scores 5.9 points higher (44.8 vs 38.9) but costs 2.3× as much to run the benchmark ($2732 vs $1185; flagship vs premium cost classes). Pick Claude Opus 5 (Medium) when the extra intelligence is worth the premium, otherwise Muse Spark Open (Xhigh).
| Metric | Claude Opus 5 (Medium) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.8 | 38.9 | −13.2% Muse Spark Open (Xhig… is 13.2% less intelligent |
| Total AA cost (lower is better) | $2,731.91 | $1,184.90 | −56.6% Muse Spark Open (Xhig… is 56.6% cheaper |
| End-to-end time (lower is better) | 13.14s | 17.34s | +32.0% Muse Spark Open (Xhig… is 32.0% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs Claude Opus 5 (Medium): 13.2% less intelligence, 56.6% less cost to run the AA benchmark, and 32.0% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- 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 Opus 5 (Medium)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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