GPT-5.5 Instant (June 2026) vs MiMo-V2.5-Pro (Reasoning)
Which is better for the money: GPT-5.5 Instant (June 2026) 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 2026-10-26.
Clear winner
Verdict
Pick MiMo-V2.5-Pro (Reasoning)
MiMo-V2.5-Pro (Reasoning) vs GPT-5.5 Instant (June 2026): the same intelligence, 80.5% less cost to run the AA benchmark, and 186.0% slower end-to-end.
| Metric | GPT-5.5 Instant (June 2026) | MiMo-V2.5-Pro (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 26.0 | 26.0 | Even |
| Total AA cost (lower is better) | $1,184.34 | $231.08 | −80.5% MiMo-V2.5-Pro (Reason… is 80.5% cheaper |
| End-to-end time (lower is better) | 17.30s | 49.48s | +186.0% MiMo-V2.5-Pro (Reason… is 186.0% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $0.41 / $1.02 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- GPT-5.5 Instant (June 2026) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- 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-5.5 Instant (June 2026)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-5-5-instant-06-26/mimo-v2-5-pro · Markdown: /api/v1/compare/gpt-5-5-instant-06-26/mimo-v2-5-pro?format=md · llms.txt · agent skill