Gemini 3.1 Pro Preview vs Mistral Medium 3.5
Which is better for the money: Gemini 3.1 Pro Preview by Google or Mistral Medium 3.5 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Gemini 3.1 Pro Preview scores 15.5 points higher (29.7 vs 14.2) but costs 1.5× as much to run the benchmark ($1935 vs $1264; both premium class). Pick Gemini 3.1 Pro Preview when the extra intelligence is worth the premium, otherwise Mistral Medium 3.5.
| Metric | Gemini 3.1 Pro Preview | Mistral Medium 3.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.7 | 14.2 | −52.2% Mistral Medium 3.5 is 52.2% less intelligent |
| Total AA cost (lower is better) | $1,935.39 | $1,263.80 | −34.7% Mistral Medium 3.5 is 34.7% cheaper |
| End-to-end time (lower is better) | 24.32s | 17.77s | −26.9% Mistral Medium 3.5 is 26.9% faster |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $1.50 / $7.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Mistral Medium 3.5 vs Gemini 3.1 Pro Preview: 52.2% less intelligence, 34.7% less cost to run the AA benchmark, and 26.9% 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 Medium 3.5 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Gemini 3.1 Pro PreviewMistral Medium 3.5Today'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/gemini-3-1-pro-preview/mistral-medium-3-5 · Markdown: /api/v1/compare/gemini-3-1-pro-preview/mistral-medium-3-5?format=md · llms.txt · agent skill