GPT-6 Astra (Medium) vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: GPT-6 Astra (Medium) 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 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Medium) scores 23.6 points higher (49.6 vs 26.0) but costs 11× as much to run the benchmark ($2434 vs $231; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Medium) when you need intelligence above 26.0, and MiMo-V2.5-Pro (Reasoning) when 26.0 is enough.
| Metric | GPT-6 Astra (Medium) | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 26.0 | −47.6% MiMo-V2.5-Pro (Reason… is 47.6% less intelligent |
| Total AA cost (lower is better) | $2,434.12 | $231.08 | −90.5% MiMo-V2.5-Pro (Reason… is 90.5% cheaper |
| End-to-end time (lower is better) | 13.84s | 49.64s | +258.7% MiMo-V2.5-Pro (Reason… is 258.7% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
MiMo-V2.5-Pro (Reasoning) vs GPT-6 Astra (Medium): 47.6% less intelligence, 90.5% less cost to run the AA benchmark, and 258.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- 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 Astra (Medium)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-astra-medium/mimo-v2-5-pro · Markdown: /api/v1/compare/gpt-6-astra-medium/mimo-v2-5-pro?format=md · llms.txt · agent skill