GPT-5.6 Luna (High) vs Ministral 3 8B
Which is better for the money: GPT-5.6 Luna (High) by OpenAI or Ministral 3 8B 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 (High) scores 26.6 points higher (32.1 vs 5.5) but costs 3.9× as much to run the benchmark ($108 vs $27.5; mid-range vs budget cost classes). They are not alternatives at one budget: pick GPT-5.6 Luna (High) when you need intelligence above 5.5, and Ministral 3 8B when 5.5 is enough.
| Metric | GPT-5.6 Luna (High) | Ministral 3 8B | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.1 | 5.5 | −82.9% Ministral 3 8B is 82.9% less intelligent |
| Total AA cost (lower is better) | $108.15 | $27.47 | −74.6% Ministral 3 8B is 74.6% cheaper |
| End-to-end time (lower is better) | 16.30s | 6.23s | −61.8% Ministral 3 8B is 61.8% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.15 / $0.15 | |
| Input modalities | Text, Image | Text, Image |
Ministral 3 8B vs GPT-5.6 Luna (High): 82.9% less intelligence, 74.6% less cost to run the AA benchmark, and 61.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (High) scores 37.80 for $94.1.
- Ministral 3 8B is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
GPT-5.6 Luna (High)Ministral 3 8BToday'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-high/ministral-3-8b · Markdown: /api/v1/compare/gpt-5-6-luna-high/ministral-3-8b?format=md · llms.txt · agent skill