GPT-5.6 Terra (Xhigh) vs Muse Spark 1.3 (Xhigh)
Which is better for the money: GPT-5.6 Terra (Xhigh) 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 7.1 points higher (45.1 vs 38.0) but costs 1.2× as much to run the benchmark ($1433 vs $1187; both premium class). Pick Muse Spark 1.3 (Xhigh) when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (Xhigh).
| Metric | GPT-5.6 Terra (Xhigh) | Muse Spark 1.3 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.0 | 45.1 | +18.7% Muse Spark 1.3 (Xhigh) is 18.7% more intelligent |
| Total AA cost (lower is better) | $1,186.77 | $1,433.35 | +20.8% Muse Spark 1.3 (Xhigh) is 20.8% more expensive |
| End-to-end time (lower is better) | 33.63s | 27.32s | −18.8% Muse Spark 1.3 (Xhigh) is 18.8% faster |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Video |
Muse Spark 1.3 (Xhigh) vs GPT-5.6 Terra (Xhigh): 18.7% more intelligence, 20.8% more cost to run the AA benchmark, and 18.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- 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 Terra (Xhigh)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-terra-xhigh/muse-spark-1-3-xhigh · Markdown: /api/v1/compare/gpt-5-6-terra-xhigh/muse-spark-1-3-xhigh?format=md · llms.txt · agent skill