GPT-5.6 Luna (Xhigh) vs Muse Spark 1.1 (Xhigh)
Which is better for the money: GPT-5.6 Luna (Xhigh) by OpenAI or Muse Spark 1.1 (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-5.6 Luna (Xhigh)
Muse Spark 1.1 (Xhigh) vs GPT-5.6 Luna (Xhigh): 2.6% less intelligence, 1009.4% more cost to run the AA benchmark, and 53.0% faster end-to-end.
| Metric | GPT-5.6 Luna (Xhigh) | Muse Spark 1.1 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.6 | 33.7 | −2.6% Muse Spark 1.1 (Xhigh) is 2.6% less intelligent |
| Total AA cost (lower is better) | $179.33 | $1,989.54 | +1009.4% Muse Spark 1.1 (Xhigh) is 11× more expensive |
| End-to-end time (lower is better) | 45.80s | 21.52s | −53.0% Muse Spark 1.1 (Xhigh) is 53.0% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Terra (Medium) scores 41.30 for $175.
- Muse Spark 1.1 (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 (Xhigh)Muse Spark 1.1 (Xhigh)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-luna-xhigh/muse-spark-1-1 · Markdown: /api/v1/compare/gpt-5-6-luna-xhigh/muse-spark-1-1?format=md · llms.txt · agent skill