GPT-5.5 (High) vs Muse Spark 1.3 (Xhigh)
Which is better for the money: GPT-5.5 (High) 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 2026-10-26.
Clear winner
Verdict
Pick Muse Spark 1.3 (Xhigh)
Muse Spark 1.3 (Xhigh) vs GPT-5.5 (High): 21.9% more intelligence, 51.5% less cost to run the AA benchmark, and 21.9% faster end-to-end.
| Metric | GPT-5.5 (High) | Muse Spark 1.3 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.0 | 45.1 | +21.9% Muse Spark 1.3 (Xhigh) is 21.9% more intelligent |
| Total AA cost (lower is better) | $3,410.76 | $1,655.27 | −51.5% Muse Spark 1.3 (Xhigh) is 51.5% cheaper |
| End-to-end time (lower is better) | 36.31s | 28.35s | −21.9% Muse Spark 1.3 (Xhigh) is 21.9% faster |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Video |
Today's Pareto frontier
Against the frontier
- GPT-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- 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-5.5 (High)Muse Spark 1.3 (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-5-5-high/muse-spark-1-3-xhigh · Markdown: /api/v1/compare/gpt-5-5-high/muse-spark-1-3-xhigh?format=md · llms.txt · agent skill