GPT-6 Luna (Low) vs Grok 4.7 (Xhigh)
Which is better for the money: GPT-6 Luna (Low) by OpenAI or Grok 4.7 (Xhigh) by SpaceXAI? 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
Grok 4.7 (Xhigh) scores 24.9 points higher (46.4 vs 21.5) but costs 467× as much to run the benchmark ($4967 vs $10.6; flagship vs budget cost classes). They are not alternatives at one budget: pick Grok 4.7 (Xhigh) when you need intelligence above 21.5, and GPT-6 Luna (Low) when 21.5 is enough.
| Metric | GPT-6 Luna (Low) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.5 | 46.4 | +115.8% Grok 4.7 (Xhigh) is 2.2× more intelligent |
| Total AA cost (lower is better) | $10.63 | $4,967.35 | +46629.5% Grok 4.7 (Xhigh) is 467× more expensive |
| End-to-end time (lower is better) | 6.60s | 40.31s | +510.8% Grok 4.7 (Xhigh) is 510.8% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.7 (Xhigh) vs GPT-6 Luna (Low): 115.8% more intelligence, 46629.5% more cost to run the AA benchmark, and 510.8% 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.
- Grok 4.7 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
GPT-6 Luna (Low)Grok 4.7 (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/grok-4-7 · Markdown: /api/v1/compare/gpt-6-luna-low/grok-4-7?format=md · llms.txt · agent skill