Gemini 3.1 Pro Preview vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: Gemini 3.1 Pro Preview by Google or MiMo-V2.5-Pro (Reasoning) by Xiaomi? 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 3.7 points higher (29.7 vs 26.0) but costs 8.4× as much to run the benchmark ($1935 vs $231; premium vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.1 Pro Preview when you need intelligence above 26.0, and MiMo-V2.5-Pro (Reasoning) when 26.0 is enough.
| Metric | Gemini 3.1 Pro Preview | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.7 | 26.0 | −12.5% MiMo-V2.5-Pro (Reason… is 12.5% less intelligent |
| Total AA cost (lower is better) | $1,935.39 | $231.08 | −88.1% MiMo-V2.5-Pro (Reason… is 88.1% cheaper |
| End-to-end time (lower is better) | 24.21s | 49.58s | +104.8% MiMo-V2.5-Pro (Reason… is 104.8% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.41 / $1.02 | |
| Input modalities | Text, Image, Speech, Video | Text |
MiMo-V2.5-Pro (Reasoning) vs Gemini 3.1 Pro Preview: 12.5% less intelligence, 88.1% less cost to run the AA benchmark, and 104.8% slower 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.
- MiMo-V2.5-Pro (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Gemini 3.1 Pro PreviewMiMo-V2.5-Pro (Reasoning)Today'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/mimo-v2-5-pro · Markdown: /api/v1/compare/gemini-3-1-pro-preview/mimo-v2-5-pro?format=md · llms.txt · agent skill