GPT-6 Astra (Medium) vs Mistral Small 3.2
Which is better for the money: GPT-6 Astra (Medium) by OpenAI or Mistral Small 3.2 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Medium) scores 42.6 points higher (49.6 vs 7.0) but costs 20× as much to run the benchmark ($2434 vs $122; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Medium) when you need intelligence above 7.0, and Mistral Small 3.2 when 7.0 is enough.
| Metric | GPT-6 Astra (Medium) | Mistral Small 3.2 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 7.0 | −85.9% Mistral Small 3.2 is 85.9% less intelligent |
| Total AA cost (lower is better) | $2,434.12 | $121.78 | −95.0% Mistral Small 3.2 is 95.0% cheaper |
| End-to-end time (lower is better) | 14.48s | 12.50s | −13.7% Mistral Small 3.2 is 13.7% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.07 / $0.20 | |
| Input modalities | Text, Image | Text, Image |
Mistral Small 3.2 vs GPT-6 Astra (Medium): 85.9% less intelligence, 95.0% less cost to run the AA benchmark, and 13.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- Mistral Small 3.2 is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
GPT-6 Astra (Medium)Mistral Small 3.2Today'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-medium/mistral-small-3-2 · Markdown: /api/v1/compare/gpt-6-astra-medium/mistral-small-3-2?format=md · llms.txt · agent skill