GPT-5.6 Luna (Low) vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: GPT-5.6 Luna (Low) 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 2026-10-26.
Trade-off
Verdict
Depends on your budget
MiMo-V2.5-Pro (Reasoning) scores 5.0 points higher (26.0 vs 21.0) but costs 8.6× as much to run the benchmark ($231 vs $27.0; mid-range vs budget cost classes). They are not alternatives at one budget: pick MiMo-V2.5-Pro (Reasoning) when you need intelligence above 21.0, and GPT-5.6 Luna (Low) when 21.0 is enough.
| Metric | GPT-5.6 Luna (Low) | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.0 | 26.0 | +23.8% MiMo-V2.5-Pro (Reason… is 23.8% more intelligent |
| Total AA cost (lower is better) | $27.02 | $231.08 | +755.2% MiMo-V2.5-Pro (Reason… is 8.6× more expensive |
| End-to-end time (lower is better) | 5.84s | 49.48s | +747.3% MiMo-V2.5-Pro (Reason… is 747.3% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
MiMo-V2.5-Pro (Reasoning) vs GPT-5.6 Luna (Low): 23.8% more intelligence, 755.2% more cost to run the AA benchmark, and 747.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Low) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- 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-5.6 Luna (Low)MiMo-V2.5-Pro (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-luna-low/mimo-v2-5-pro · Markdown: /api/v1/compare/gpt-5-6-luna-low/mimo-v2-5-pro?format=md · llms.txt · agent skill