GPT-5.6 Luna (High) vs MiMo-V2.6-Flash
Which is better for the money: GPT-5.6 Luna (High) by OpenAI or MiMo-V2.6-Flash 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-Flash scores 5.8 points higher (37.9 vs 32.1) but costs 1.0× as much to run the benchmark ($110 vs $108; both mid-range class). Pick MiMo-V2.6-Flash when the extra intelligence is worth the premium, otherwise GPT-5.6 Luna (High).
| Metric | GPT-5.6 Luna (High) | MiMo-V2.6-Flash | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.1 | 37.9 | +18.1% MiMo-V2.6-Flash is 18.1% more intelligent |
| Total AA cost (lower is better) | $108.15 | $109.55 | +1.3% MiMo-V2.6-Flash is 1.3% more expensive |
| End-to-end time (lower is better) | 10.89s | 49.53s | +354.8% MiMo-V2.6-Flash is 354.8% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.14 / $0.28 | |
| Input modalities | Text, Image | Text, Image |
MiMo-V2.6-Flash vs GPT-5.6 Luna (High): 18.1% more intelligence, 1.3% more cost to run the AA benchmark, and 354.8% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (High) scores 37.80 for $94.1.
- MiMo-V2.6-Flash is on today's frontier: nothing is both smarter and cheaper.
GPT-5.6 Luna (High)MiMo-V2.6-FlashToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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