GPT-5.4 nano (Xhigh) vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: GPT-5.4 nano (Xhigh) by OpenAI or MiMo-V2.5-Pro (Reasoning) by Xiaomi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick MiMo-V2.5-Pro (Reasoning)
MiMo-V2.5-Pro (Reasoning) vs GPT-5.4 nano (Xhigh): 25.6% more intelligence, 30.2% less cost to run the AA benchmark, and 7.4% faster end-to-end.
| Metric | GPT-5.4 nano (Xhigh) | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 26.0 | +25.6% MiMo-V2.5-Pro (Reason… is 25.6% more intelligent |
| Total AA cost (lower is better) | $331.24 | $231.08 | −30.2% MiMo-V2.5-Pro (Reason… is 30.2% cheaper |
| End-to-end time (lower is better) | 53.29s | 49.36s | −7.4% MiMo-V2.5-Pro (Reason… is 7.4% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
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-Pro (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.4 nano (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/gpt-5-4-nano/mimo-v2-5-pro · Markdown: /api/v1/compare/gpt-5-4-nano/mimo-v2-5-pro?format=md · llms.txt · agent skill