GPT-6 Luna (Medium) vs GPT-6 Sol (Low)
Which is better for the money: GPT-6 Luna (Medium) by OpenAI or GPT-6 Sol (Low) 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 Sol (Low) scores 4.3 points higher (34.2 vs 29.9) but costs 8.6× as much to run the benchmark ($269 vs $31.2; mid-range vs budget cost classes). They are not alternatives at one budget: pick GPT-6 Sol (Low) when you need intelligence above 29.9, and GPT-6 Luna (Medium) when 29.9 is enough.
| Metric | GPT-6 Luna (Medium) | GPT-6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.9 | 34.2 | +14.4% GPT-6 Sol (Low) is 14.4% more intelligent |
| Total AA cost (lower is better) | $31.17 | $268.73 | +762.1% GPT-6 Sol (Low) is 8.6× more expensive |
| End-to-end time (lower is better) | 8.25s | 6.34s | −23.2% GPT-6 Sol (Low) is 23.2% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Low) vs GPT-6 Luna (Medium): 14.4% more intelligence, 762.1% more cost to run the AA benchmark, and 23.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6 Luna (Medium)GPT-6 Sol (Low)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-medium/gpt-6-sol-low · Markdown: /api/v1/compare/gpt-6-luna-medium/gpt-6-sol-low?format=md · llms.txt · agent skill