GPT-6 Astra (High) vs MiMo-V2.5
Which is better for the money: GPT-6 Astra (High) by OpenAI or MiMo-V2.5 by Xiaomi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (High) scores 29.1 points higher (50.9 vs 21.8) but costs 47× as much to run the benchmark ($2925 vs $61.9; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (High) when you need intelligence above 21.8, and MiMo-V2.5 when 21.8 is enough.
| Metric | GPT-6 Astra (High) | MiMo-V2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 50.9 | 21.8 | −57.2% MiMo-V2.5 is 57.2% less intelligent |
| Total AA cost (lower is better) | $2,925.01 | $61.93 | −97.9% MiMo-V2.5 is 97.9% cheaper |
| End-to-end time (lower is better) | 49.57s | 66.56s | +34.3% MiMo-V2.5 is 34.3% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.13 / $0.27 | |
| Input modalities | Text, Image | Text, Image |
MiMo-V2.5 vs GPT-6 Astra (High): 57.2% less intelligence, 97.9% less cost to run the AA benchmark, and 34.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (High) 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 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 34.50 for $56.4.
GPT-6 Astra (High)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-6-astra-high/mimo-v2-5-0424 · Markdown: /api/v1/compare/gpt-6-astra-high/mimo-v2-5-0424?format=md · llms.txt · agent skill