GPT-5.6 Luna (Non-reasoning) vs Muse Glimmer (High)
Which is better for the money: GPT-5.6 Luna (Non-reasoning) by OpenAI or Muse Glimmer (High) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Muse Glimmer (High) scores 2.0 points higher (17.5 vs 15.5) but costs 6.3× as much to run the benchmark ($146 vs $23.0; mid-range vs budget cost classes). They are not alternatives at one budget: pick Muse Glimmer (High) when you need intelligence above 15.5, and GPT-5.6 Luna (Non-reasoning) when 15.5 is enough.
| Metric | GPT-5.6 Luna (Non-reasoning) | Muse Glimmer (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 15.5 | 17.5 | +12.9% Muse Glimmer (High) is 12.9% more intelligent |
| Total AA cost (lower is better) | $22.97 | $145.77 | +534.6% Muse Glimmer (High) is 6.3× more expensive |
| End-to-end time (lower is better) | 4.98s | 24.87s | +399.4% Muse Glimmer (High) is 399.4% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image |
Muse Glimmer (High) vs GPT-5.6 Luna (Non-reasoning): 12.9% more intelligence, 534.6% more cost to run the AA benchmark, and 399.4% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- Muse Glimmer (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
GPT-5.6 Luna (Non-reasoning)Muse Glimmer (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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