GPT-6 Luna (High) vs Muse Ember (Xhigh)
Which is better for the money: GPT-6 Luna (High) 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 12.7 points higher (34.1 vs 21.4) but costs 1.5× as much to run the benchmark ($95.7 vs $62.6; both mid-range class). Pick Muse Ember (Xhigh) when the extra intelligence is worth the premium, otherwise GPT-6 Luna (High).
| Metric | GPT-6 Luna (High) | Muse Ember (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.4 | 34.1 | +59.3% Muse Ember (Xhigh) is 59.3% more intelligent |
| Total AA cost (lower is better) | $62.58 | $95.73 | +53.0% Muse Ember (Xhigh) is 53.0% more expensive |
| End-to-end time (lower is better) | 23.19s | 9.48s | −59.1% Muse Ember (Xhigh) is 59.1% 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 (High): 59.3% more intelligence, 53.0% more cost to run the AA benchmark, and 59.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
- Muse Ember (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
GPT-6 Luna (High)Muse Ember (Xhigh)Today's Pareto frontierEvery other model
Matchup
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