Grok 4.6 (Xhigh) vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: Grok 4.6 (Xhigh) by SpaceXAI 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
Grok 4.6 (Xhigh) scores 18.2 points higher (44.2 vs 26.0) but costs 9.7× as much to run the benchmark ($2242 vs $231; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Grok 4.6 (Xhigh) when you need intelligence above 26.0, and MiMo-V2.5-Pro (Reasoning) when 26.0 is enough.
| Metric | Grok 4.6 (Xhigh) | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.2 | 26.0 | −41.2% MiMo-V2.5-Pro (Reason… is 41.2% less intelligent |
| Total AA cost (lower is better) | $2,241.91 | $231.08 | −89.7% MiMo-V2.5-Pro (Reason… is 89.7% cheaper |
| End-to-end time (lower is better) | 36.53s | 49.64s | +35.9% MiMo-V2.5-Pro (Reason… is 35.9% slower |
| Price per 1M tokens (in / out) | $2.00 / $6.00 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
MiMo-V2.5-Pro (Reasoning) vs Grok 4.6 (Xhigh): 41.2% less intelligence, 89.7% less cost to run the AA benchmark, and 35.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.6 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- MiMo-V2.5-Pro (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Grok 4.6 (Xhigh)MiMo-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/grok-4-6-xhigh/mimo-v2-5-pro · Markdown: /api/v1/compare/grok-4-6-xhigh/mimo-v2-5-pro?format=md · llms.txt · agent skill