GPT-5.6 Luna (Max) vs Muse Spark 1.3 (Xhigh)
Which is better for the money: GPT-5.6 Luna (Max) by OpenAI or Muse Spark 1.3 (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
Muse Spark 1.3 (Xhigh) scores 7.8 points higher (45.1 vs 37.3) but costs 4.5× as much to run the benchmark ($1433 vs $320; premium vs mid-range cost classes). They are not alternatives at one budget: pick Muse Spark 1.3 (Xhigh) when you need intelligence above 37.3, and GPT-5.6 Luna (Max) when 37.3 is enough.
| Metric | GPT-5.6 Luna (Max) | Muse Spark 1.3 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.3 | 45.1 | +20.9% Muse Spark 1.3 (Xhigh) is 20.9% more intelligent |
| Total AA cost (lower is better) | $319.93 | $1,433.35 | +348.0% Muse Spark 1.3 (Xhigh) is 4.5× more expensive |
| End-to-end time (lower is better) | 124.25s | 27.32s | −78.0% Muse Spark 1.3 (Xhigh) is 78.0% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Video |
Muse Spark 1.3 (Xhigh) vs GPT-5.6 Luna (Max): 20.9% more intelligence, 348.0% more cost to run the AA benchmark, and 78.0% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Max) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Muse Spark 1.3 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-5.6 Luna (Max)Muse Spark 1.3 (Xhigh)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-luna/muse-spark-1-3-xhigh · Markdown: /api/v1/compare/gpt-5-6-luna/muse-spark-1-3-xhigh?format=md · llms.txt · agent skill