GPT-6 Luna (High) vs Grok 4.7 (Xhigh)
Which is better for the money: GPT-6 Luna (High) 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 13.5 points higher (46.4 vs 32.9) but costs 104× as much to run the benchmark ($4967 vs $47.9; flagship vs budget cost classes). They are not alternatives at one budget: pick Grok 4.7 (Xhigh) when you need intelligence above 32.9, and GPT-6 Luna (High) when 32.9 is enough.
| Metric | GPT-6 Luna (High) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.9 | 46.4 | +41.0% Grok 4.7 (Xhigh) is 41.0% more intelligent |
| Total AA cost (lower is better) | $47.85 | $4,967.35 | +10281.1% Grok 4.7 (Xhigh) is 104× more expensive |
| End-to-end time (lower is better) | 12.43s | 40.31s | +224.3% Grok 4.7 (Xhigh) is 224.3% 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 (High): 41.0% more intelligence, 10281.1% more cost to run the AA benchmark, and 224.3% slower 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.
- 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 (High)Grok 4.7 (Xhigh)Today's Pareto frontierEvery other model
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