GPT-6 Luna (Xhigh) vs Muse Ember (Xhigh)
Which is better for the money: GPT-6 Luna (Xhigh) by OpenAI or Muse Ember (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Trade-off
Verdict
Depends on your budget
Muse Ember (Xhigh) scores 10.6 points higher (34.1 vs 23.5) but costs 1.1× as much to run the benchmark ($95.7 vs $85.7; both mid-range class). Pick Muse Ember (Xhigh) when the extra intelligence is worth the premium, otherwise GPT-6 Luna (Xhigh).
| Metric | GPT-6 Luna (Xhigh) | Muse Ember (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 23.5 | 34.1 | +45.1% Muse Ember (Xhigh) is 45.1% more intelligent |
| Total AA cost (lower is better) | $85.74 | $95.73 | +11.7% Muse Ember (Xhigh) is 11.7% more expensive |
| End-to-end time (lower is better) | 43.48s | 7.89s | −81.9% Muse Ember (Xhigh) is 81.9% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
Muse Ember (Xhigh) vs GPT-6 Luna (Xhigh): 45.1% more intelligence, 11.7% more cost to run the AA benchmark, and 81.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Xhigh) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 24.60 for $72.7.
- Muse Ember (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
GPT-6 Luna (Xhigh)Muse Ember (Xhigh)Today's Pareto frontierEvery other model
Matchup
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