GPT-6 Luna (High) vs GPT-6 Luna (Medium)
Which is better for the money: GPT-6 Luna (High) by OpenAI or GPT-6 Luna (Medium) 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 (High) scores 3.0 points higher (32.9 vs 29.9) but costs 1.5× as much to run the benchmark ($47.9 vs $31.2; both budget class). Pick GPT-6 Luna (High) when the extra intelligence is worth the premium, otherwise GPT-6 Luna (Medium).
| Metric | GPT-6 Luna (High) | GPT-6 Luna (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.9 | 29.9 | −9.1% GPT-6 Luna (Medium) is 9.1% less intelligent |
| Total AA cost (lower is better) | $47.85 | $31.17 | −34.9% GPT-6 Luna (Medium) is 34.9% cheaper |
| End-to-end time (lower is better) | 12.43s | 8.25s | −33.6% GPT-6 Luna (Medium) is 33.6% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (Medium) vs GPT-6 Luna (High): 9.1% less intelligence, 34.9% less cost to run the AA benchmark, and 33.6% 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.
- GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
GPT-6 Luna (High)GPT-6 Luna (Medium)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-high/gpt-6-luna-medium · Markdown: /api/v1/compare/gpt-6-luna-high/gpt-6-luna-medium?format=md · llms.txt · agent skill