GPT-6 Astra (Xhigh) vs Ministral 3 8B
Which is better for the money: GPT-6 Astra (Xhigh) 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-6 Astra (Xhigh) scores 46.9 points higher (52.4 vs 5.5) but costs 138× as much to run the benchmark ($3803 vs $27.5; flagship vs budget cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Xhigh) when you need intelligence above 5.5, and Ministral 3 8B when 5.5 is enough.
| Metric | GPT-6 Astra (Xhigh) | Ministral 3 8B | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.4 | 5.5 | −89.5% Ministral 3 8B is 89.5% less intelligent |
| Total AA cost (lower is better) | $3,802.98 | $27.47 | −99.3% Ministral 3 8B is 99.3% cheaper |
| End-to-end time (lower is better) | 182.46s | 5.36s | −97.1% Ministral 3 8B is 97.1% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.15 / $0.15 | |
| Input modalities | Text, Image | Text, Image |
Ministral 3 8B vs GPT-6 Astra (Xhigh): 89.5% less intelligence, 99.3% less cost to run the AA benchmark, and 97.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Ministral 3 8B is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
GPT-6 Astra (Xhigh)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-6-astra-xhigh/ministral-3-8b · Markdown: /api/v1/compare/gpt-6-astra-xhigh/ministral-3-8b?format=md · llms.txt · agent skill