GPT-5.6 Luna (Max) vs GPT-6.1 Sol (Low)
Which is better for the money: GPT-5.6 Luna (Max) by OpenAI or GPT-6.1 Sol (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Clear winner
Verdict
Pick GPT-6.1 Sol (Low)
GPT-6.1 Sol (Low) vs GPT-5.6 Luna (Max): 12.9% more intelligence, 21.7% less cost to run the AA benchmark, and 90.4% faster end-to-end.
| Metric | GPT-5.6 Luna (Max) | GPT-6.1 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.3 | 42.1 | +12.9% GPT-6.1 Sol (Low) is 12.9% more intelligent |
| Total AA cost (lower is better) | $319.93 | $250.48 | −21.7% GPT-6.1 Sol (Low) is 21.7% cheaper |
| End-to-end time (lower is better) | 124.25s | 11.89s | −90.4% GPT-6.1 Sol (Low) is 90.4% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $2.00 / $10.0 | |
| 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-6.1 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.6 Luna (Max)GPT-6.1 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-6-1-sol-low · Markdown: /api/v1/compare/gpt-5-6-luna/gpt-6-1-sol-low?format=md · llms.txt · agent skill