GPT-6.1 Sol (High) vs GPT-6 Luna (High)
Which is better for the money: GPT-6.1 Sol (High) by OpenAI or GPT-6 Luna (High) by OpenAI? 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
GPT-6.1 Sol (High) scores 17.3 points higher (50.2 vs 32.9) but costs 11× as much to run the benchmark ($521 vs $47.9; premium vs budget cost classes). They are not alternatives at one budget: pick GPT-6.1 Sol (High) when you need intelligence above 32.9, and GPT-6 Luna (High) when 32.9 is enough.
| Metric | GPT-6.1 Sol (High) | GPT-6 Luna (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 50.2 | 32.9 | −34.5% GPT-6 Luna (High) is 34.5% less intelligent |
| Total AA cost (lower is better) | $521.32 | $47.85 | −90.8% GPT-6 Luna (High) is 90.8% cheaper |
| End-to-end time (lower is better) | 77.76s | 18.94s | −75.6% GPT-6 Luna (High) is 75.6% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (High) vs GPT-6.1 Sol (High): 34.5% less intelligence, 90.8% less cost to run the AA benchmark, and 75.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (High) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
GPT-6.1 Sol (High)GPT-6 Luna (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-6-1-sol-high/gpt-6-luna-high · Markdown: /api/v1/compare/gpt-6-1-sol-high/gpt-6-luna-high?format=md · llms.txt · agent skill