GPT-6.1 Terra (Xhigh) vs MiMo-V2.5
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or MiMo-V2.5 by Xiaomi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-6.1 Terra (Xhigh) scores 23.6 points higher (45.4 vs 21.8) but costs 5.5× as much to run the benchmark ($365 vs $66.1; both mid-range class). They are not alternatives at one budget: pick GPT-6.1 Terra (Xhigh) when you need intelligence above 21.8, and MiMo-V2.5 when 21.8 is enough.
| Metric | GPT-6.1 Terra (Xhigh) | MiMo-V2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 21.8 | −52.0% MiMo-V2.5 is 52.0% less intelligent |
| Total AA cost (lower is better) | $364.95 | $66.09 | −81.9% MiMo-V2.5 is 81.9% cheaper |
| End-to-end time (lower is better) | 18.82s | 66.43s | +253.0% MiMo-V2.5 is 253.0% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.13 / $0.27 | |
| Input modalities | Text, Image | Text, Image |
MiMo-V2.5 vs GPT-6.1 Terra (Xhigh): 52.0% less intelligence, 81.9% less cost to run the AA benchmark, and 253.0% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Terra (Xhigh) 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.
GPT-6.1 Terra (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-6-1-terra-xhigh/mimo-v2-5-0424 · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/mimo-v2-5-0424?format=md · llms.txt · agent skill