Muse Spark 1.2 (Xhigh) vs Step 5 Preview
Which is better for the money: Muse Spark 1.2 (Xhigh) by Meta or Step 5 Preview by StepFun? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Step 5 Preview
Step 5 Preview vs Muse Spark 1.2 (Xhigh): 10.4% more intelligence, 14.1% less cost to run the AA benchmark, and 42.4% faster end-to-end.
| Metric | Muse Spark 1.2 (Xhigh) | Step 5 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.6 | 43.7 | +10.4% Step 5 Preview is 10.4% more intelligent |
| Total AA cost (lower is better) | $1,385.40 | $1,190.26 | −14.1% Step 5 Preview is 14.1% cheaper |
| End-to-end time (lower is better) | 20.85s | 12.01s | −42.4% Step 5 Preview is 42.4% faster |
| Price per 1M tokens (in / out) | $1.25 / $4.25 | $1.00 / $2.70 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Today's Pareto frontier
Against the frontier
- Muse Spark 1.2 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Step 5 Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Muse Spark 1.2 (Xhigh)Step 5 PreviewToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/muse-spark-1-2/step-5 · Markdown: /api/v1/compare/muse-spark-1-2/step-5?format=md · llms.txt · agent skill