GPT-6 Luna (Low) vs Grok 4.7 (High)
Which is better for the money: GPT-6 Luna (Low) by OpenAI or Grok 4.7 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Grok 4.7 (High) scores 24.8 points higher (46.3 vs 21.5) but costs 365× as much to run the benchmark ($3881 vs $10.6; flagship vs budget cost classes). They are not alternatives at one budget: pick Grok 4.7 (High) 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 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.5 | 46.3 | +115.3% Grok 4.7 (High) is 2.2× more intelligent |
| Total AA cost (lower is better) | $10.63 | $3,880.88 | +36408.7% Grok 4.7 (High) is 365× more expensive |
| End-to-end time (lower is better) | 7.32s | 51.53s | +604.0% Grok 4.7 (High) is 604.0% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.7 (High) vs GPT-6 Luna (Low): 115.3% more intelligence, 36408.7% more cost to run the AA benchmark, and 604.0% 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 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GPT-6 Luna (Low)Grok 4.7 (High)Today's Pareto frontierEvery other model
Matchup
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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-high · Markdown: /api/v1/compare/gpt-6-luna-low/grok-4-7-high?format=md · llms.txt · agent skill