GPT-5.6 Luna (Medium) vs MiMo-V2.5
Which is better for the money: GPT-5.6 Luna (Medium) by OpenAI or MiMo-V2.5 by Xiaomi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-5.6 Luna (Medium)
MiMo-V2.5 vs GPT-5.6 Luna (Medium): 12.8% less intelligence, 39.7% more cost to run the AA benchmark, and 617.0% slower end-to-end.
| Metric | GPT-5.6 Luna (Medium) | MiMo-V2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 25.0 | 21.8 | −12.8% MiMo-V2.5 is 12.8% less intelligent |
| Total AA cost (lower is better) | $44.32 | $61.93 | +39.7% MiMo-V2.5 is 39.7% more expensive |
| End-to-end time (lower is better) | 5.82s | 41.73s | +617.0% MiMo-V2.5 is 617.0% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.13 / $0.27 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (Medium) is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.
- 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 Luna (Medium)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-luna-medium/mimo-v2-5-0424 · Markdown: /api/v1/compare/gpt-5-6-luna-medium/mimo-v2-5-0424?format=md · llms.txt · agent skill