GPT-6.1 Terra (Xhigh) vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: GPT-6.1 Terra (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 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-6.1 Terra (Xhigh) scores 19.4 points higher (45.4 vs 26.0) but costs 1.5× as much to run the benchmark ($365 vs $240; both mid-range class). Pick GPT-6.1 Terra (Xhigh) when the extra intelligence is worth the premium, otherwise MiMo-V2.5-Pro (Reasoning).
| Metric | GPT-6.1 Terra (Xhigh) | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 26.0 | −42.7% MiMo-V2.5-Pro (Reason… is 42.7% less intelligent |
| Total AA cost (lower is better) | $364.95 | $240.23 | −34.2% MiMo-V2.5-Pro (Reason… is 34.2% cheaper |
| End-to-end time (lower is better) | 27.17s | 49.61s | +82.6% MiMo-V2.5-Pro (Reason… is 82.6% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
MiMo-V2.5-Pro (Reasoning) vs GPT-6.1 Terra (Xhigh): 42.7% less intelligence, 34.2% less cost to run the AA benchmark, and 82.6% 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-Pro (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6.1 Terra (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-6-1-terra-xhigh/mimo-v2-5-pro · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/mimo-v2-5-pro?format=md · llms.txt · agent skill