GPT-5.4 nano (Xhigh) vs MiMo-V2.5
Which is better for the money: GPT-5.4 nano (Xhigh) by OpenAI or MiMo-V2.5 by Xiaomi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick MiMo-V2.5
MiMo-V2.5 vs GPT-5.4 nano (Xhigh): 5.3% more intelligence, 81.3% less cost to run the AA benchmark, and 21.7% faster end-to-end.
| Metric | GPT-5.4 nano (Xhigh) | MiMo-V2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 21.8 | +5.3% MiMo-V2.5 is 5.3% more intelligent |
| Total AA cost (lower is better) | $331.24 | $61.93 | −81.3% MiMo-V2.5 is 81.3% cheaper |
| End-to-end time (lower is better) | 53.29s | 41.73s | −21.7% MiMo-V2.5 is 21.7% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $0.13 / $0.27 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.4 nano (Xhigh) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- MiMo-V2.5 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 34.50 for $56.4.
GPT-5.4 nano (Xhigh)MiMo-V2.5Today'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/gpt-5-4-nano/mimo-v2-5-0424 · Markdown: /api/v1/compare/gpt-5-4-nano/mimo-v2-5-0424?format=md · llms.txt · agent skill