GPT-5.6 Luna (Max) vs GPT-5.6 Sol (Low)
Which is better for the money: GPT-5.6 Luna (Max) by OpenAI or GPT-5.6 Sol (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-5.6 Luna (Max)
GPT-5.6 Sol (Low) vs GPT-5.6 Luna (Max): 10.2% less intelligence, 99.2% more cost to run the AA benchmark, and 93.1% faster end-to-end.
| Metric | GPT-5.6 Luna (Max) | GPT-5.6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.3 | 33.5 | −10.2% GPT-5.6 Sol (Low) is 10.2% less intelligent |
| Total AA cost (lower is better) | $319.93 | $637.28 | +99.2% GPT-5.6 Sol (Low) is 99.2% more expensive |
| End-to-end time (lower is better) | 124.29s | 8.52s | −93.1% GPT-5.6 Sol (Low) is 93.1% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $4.00 / $20.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Max) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-5.6 Sol (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
GPT-5.6 Luna (Max)GPT-5.6 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-5-6-luna/gpt-5-6-sol-low · Markdown: /api/v1/compare/gpt-5-6-luna/gpt-5-6-sol-low?format=md · llms.txt · agent skill