Grok 4.3 (High) vs MiMo-V2.5
Which is better for the money: Grok 4.3 (High) by SpaceXAI or MiMo-V2.5 by Xiaomi? 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
Grok 4.3 (High) scores 3.1 points higher (24.9 vs 21.8) but costs 5.9× as much to run the benchmark ($363 vs $61.9; both mid-range class). They are not alternatives at one budget: pick Grok 4.3 (High) when you need intelligence above 21.8, and MiMo-V2.5 when 21.8 is enough.
| Metric | Grok 4.3 (High) | MiMo-V2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.9 | 21.8 | −12.4% MiMo-V2.5 is 12.4% less intelligent |
| Total AA cost (lower is better) | $363.24 | $61.93 | −83.0% MiMo-V2.5 is 83.0% cheaper |
| End-to-end time (lower is better) | 24.88s | 41.73s | +67.7% MiMo-V2.5 is 67.7% slower |
| Price per 1M tokens (in / out) | $1.25 / $2.50 | $0.13 / $0.27 | |
| Input modalities | Text, Image | Text, Image |
MiMo-V2.5 vs Grok 4.3 (High): 12.4% less intelligence, 83.0% less cost to run the AA benchmark, and 67.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- MiMo-V2.5 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 34.50 for $56.4.
Grok 4.3 (High)MiMo-V2.5Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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