GPT-5.6 Luna (Xhigh) vs Ministral 3 14B
Which is better for the money: GPT-5.6 Luna (Xhigh) by OpenAI or Ministral 3 14B by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Luna (Xhigh) scores 28.6 points higher (34.6 vs 6.0) but costs 4.8× as much to run the benchmark ($179 vs $37.6; mid-range vs budget cost classes). They are not alternatives at one budget: pick GPT-5.6 Luna (Xhigh) when you need intelligence above 6.0, and Ministral 3 14B when 6.0 is enough.
| Metric | GPT-5.6 Luna (Xhigh) | Ministral 3 14B | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.6 | 6.0 | −82.7% Ministral 3 14B is 82.7% less intelligent |
| Total AA cost (lower is better) | $179.33 | $37.56 | −79.1% Ministral 3 14B is 79.1% cheaper |
| End-to-end time (lower is better) | 45.86s | 7.88s | −82.8% Ministral 3 14B is 82.8% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.20 / $0.20 | |
| Input modalities | Text, Image | Text, Image |
Ministral 3 14B vs GPT-5.6 Luna (Xhigh): 82.7% less intelligence, 79.1% less cost to run the AA benchmark, and 82.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Terra (Medium) scores 41.30 for $175.
- Ministral 3 14B is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.
GPT-5.6 Luna (Xhigh)Ministral 3 14BToday's Pareto frontierOpen-weights 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-xhigh/ministral-3-14b · Markdown: /api/v1/compare/gpt-5-6-luna-xhigh/ministral-3-14b?format=md · llms.txt · agent skill