Claude Opus 5 (Low) vs Muse Spark Open (Xhigh)
Which is better for the money: Claude Opus 5 (Low) 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.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Low) scores 0.5 points higher (39.4 vs 38.9) but costs 1.3× as much to run the benchmark ($1561 vs $1185; both premium class). Pick Claude Opus 5 (Low) when the extra intelligence is worth the premium, otherwise Muse Spark Open (Xhigh).
| Metric | Claude Opus 5 (Low) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.4 | 38.9 | −1.3% Muse Spark Open (Xhig… is 1.3% less intelligent |
| Total AA cost (lower is better) | $1,560.91 | $1,184.90 | −24.1% Muse Spark Open (Xhig… is 24.1% cheaper |
| End-to-end time (lower is better) | 11.44s | 17.34s | +51.6% Muse Spark Open (Xhig… is 51.6% 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 (Low): 1.3% less intelligence, 24.1% less cost to run the AA benchmark, and 51.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Low) 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 Opus 5 (Low)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-low/muse-spark-open · Markdown: /api/v1/compare/claude-opus-5-low/muse-spark-open?format=md · llms.txt · agent skill