Gemini 3.1 Pro Preview vs Mistral Small 4 (Reasoning)
Which is better for the money: Gemini 3.1 Pro Preview by Google or Mistral Small 4 (Reasoning) 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
Gemini 3.1 Pro Preview scores 18.4 points higher (29.7 vs 11.3) but costs 46× as much to run the benchmark ($1935 vs $42.5; premium vs budget cost classes). They are not alternatives at one budget: pick Gemini 3.1 Pro Preview when you need intelligence above 11.3, and Mistral Small 4 (Reasoning) when 11.3 is enough.
| Metric | Gemini 3.1 Pro Preview | Mistral Small 4 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.7 | 11.3 | −62.0% Mistral Small 4 (Reas… is 62.0% less intelligent |
| Total AA cost (lower is better) | $1,935.39 | $42.50 | −97.8% Mistral Small 4 (Reas… is 97.8% cheaper |
| End-to-end time (lower is better) | 24.90s | 14.50s | −41.8% Mistral Small 4 (Reas… is 41.8% faster |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.15 / $0.60 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Mistral Small 4 (Reasoning) vs Gemini 3.1 Pro Preview: 62.0% less intelligence, 97.8% less cost to run the AA benchmark, and 41.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.1 Pro Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Mistral Small 4 (Reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.
Gemini 3.1 Pro PreviewMistral Small 4 (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-1-pro-preview/mistral-small-4 · Markdown: /api/v1/compare/gemini-3-1-pro-preview/mistral-small-4?format=md · llms.txt · agent skill