GPT-6 Luna (Low) vs GPT-6 Luna (Xhigh)
Which is better for the money: GPT-6 Luna (Low) by OpenAI or GPT-6 Luna (Xhigh) by OpenAI? 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
GPT-6 Luna (Xhigh) scores 13.1 points higher (34.6 vs 21.5) but costs 6.3× as much to run the benchmark ($66.8 vs $10.6; mid-range vs budget cost classes). They are not alternatives at one budget: pick GPT-6 Luna (Xhigh) when you need intelligence above 21.5, and GPT-6 Luna (Low) when 21.5 is enough.
| Metric | GPT-6 Luna (Low) | GPT-6 Luna (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.5 | 34.6 | +60.9% GPT-6 Luna (Xhigh) is 60.9% more intelligent |
| Total AA cost (lower is better) | $10.63 | $66.81 | +528.5% GPT-6 Luna (Xhigh) is 6.3× more expensive |
| End-to-end time (lower is better) | 6.60s | 21.27s | +222.3% GPT-6 Luna (Xhigh) is 222.3% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (Xhigh) vs GPT-6 Luna (Low): 60.9% more intelligence, 528.5% more cost to run the AA benchmark, and 222.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Low) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Luna (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
GPT-6 Luna (Low)GPT-6 Luna (Xhigh)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-luna-low/gpt-6-luna-xhigh · Markdown: /api/v1/compare/gpt-6-luna-low/gpt-6-luna-xhigh?format=md · llms.txt · agent skill