Muse Glimmer (High) vs Step 5 Preview
Which is better for the money: Muse Glimmer (High) by Meta or Step 5 Preview by StepFun? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Step 5 Preview scores 26.2 points higher (43.7 vs 17.5) but costs 8.2× as much to run the benchmark ($1190 vs $146; premium vs mid-range cost classes). They are not alternatives at one budget: pick Step 5 Preview when you need intelligence above 17.5, and Muse Glimmer (High) when 17.5 is enough.
| Metric | Muse Glimmer (High) | Step 5 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 17.5 | 43.7 | +149.7% Step 5 Preview is 2.5× more intelligent |
| Total AA cost (lower is better) | $145.77 | $1,190.26 | +716.5% Step 5 Preview is 8.2× more expensive |
| End-to-end time (lower is better) | 24.76s | 12.06s | −51.3% Step 5 Preview is 51.3% faster |
| Price per 1M tokens (in / out) | $0.30 / $1.20 | $1.00 / $2.70 | |
| Input modalities | Text, Image | Text, Image |
Step 5 Preview vs Muse Glimmer (High): 149.7% more intelligence, 716.5% more cost to run the AA benchmark, and 51.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Muse Glimmer (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
- Step 5 Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Muse Glimmer (High)Step 5 PreviewToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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