Kimi K3.1 Pro vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: Kimi K3.1 Pro by Kimi 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
Kimi K3.1 Pro scores 29.1 points higher (55.1 vs 26.0) but costs 13× as much to run the benchmark ($3117 vs $231; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 26.0, and MiMo-V2.5-Pro (Reasoning) when 26.0 is enough.
| Metric | Kimi K3.1 Pro | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 55.1 | 26.0 | −52.8% MiMo-V2.5-Pro (Reason… is 52.8% less intelligent |
| Total AA cost (lower is better) | $3,117.31 | $231.08 | −92.6% MiMo-V2.5-Pro (Reason… is 92.6% cheaper |
| End-to-end time (lower is better) | 44.78s | 49.58s | +10.7% MiMo-V2.5-Pro (Reason… is 10.7% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
MiMo-V2.5-Pro (Reasoning) vs Kimi K3.1 Pro: 52.8% less intelligence, 92.6% less cost to run the AA benchmark, and 10.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
- MiMo-V2.5-Pro (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Kimi K3.1 ProMiMo-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/kimi-k3-1-pro/mimo-v2-5-pro · Markdown: /api/v1/compare/kimi-k3-1-pro/mimo-v2-5-pro?format=md · llms.txt · agent skill