GPT-5.6 Terra (Xhigh) vs MiMo-V2.5
Which is better for the money: GPT-5.6 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-5.6 Terra (Xhigh) scores 16.2 points higher (38.0 vs 21.8) but costs 18× as much to run the benchmark ($1187 vs $66.1; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Terra (Xhigh) when you need intelligence above 21.8, and MiMo-V2.5 when 21.8 is enough.
| Metric | GPT-5.6 Terra (Xhigh) | MiMo-V2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.0 | 21.8 | −42.6% MiMo-V2.5 is 42.6% less intelligent |
| Total AA cost (lower is better) | $1,186.77 | $66.09 | −94.4% MiMo-V2.5 is 94.4% cheaper |
| End-to-end time (lower is better) | 33.63s | 66.43s | +97.5% MiMo-V2.5 is 97.5% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.13 / $0.27 | |
| Input modalities | Text, Image | Text, Image |
MiMo-V2.5 vs GPT-5.6 Terra (Xhigh): 42.6% less intelligence, 94.4% less cost to run the AA benchmark, and 97.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- 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-5.6 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-5-6-terra-xhigh/mimo-v2-5-0424 · Markdown: /api/v1/compare/gpt-5-6-terra-xhigh/mimo-v2-5-0424?format=md · llms.txt · agent skill