GPT-6 Luna (Medium) vs MiMo-V2.6-Pro
Which is better for the money: GPT-6 Luna (Medium) by OpenAI or MiMo-V2.6-Pro by Xiaomi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
MiMo-V2.6-Pro scores 16.4 points higher (46.3 vs 29.9) but costs 6.6× as much to run the benchmark ($207 vs $31.2; mid-range vs budget cost classes). They are not alternatives at one budget: pick MiMo-V2.6-Pro when you need intelligence above 29.9, and GPT-6 Luna (Medium) when 29.9 is enough.
| Metric | GPT-6 Luna (Medium) | MiMo-V2.6-Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.9 | 46.3 | +54.8% MiMo-V2.6-Pro is 54.8% more intelligent |
| Total AA cost (lower is better) | $31.17 | $206.66 | +563.0% MiMo-V2.6-Pro is 6.6× more expensive |
| End-to-end time (lower is better) | 8.25s | 48.29s | +485.3% MiMo-V2.6-Pro is 485.3% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.43 / $0.87 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
MiMo-V2.6-Pro vs GPT-6 Luna (Medium): 54.8% more intelligence, 563.0% more cost to run the AA benchmark, and 485.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
- MiMo-V2.6-Pro is on today's frontier: nothing is both smarter and cheaper.
GPT-6 Luna (Medium)MiMo-V2.6-ProToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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