GPT-5.5 (Medium) vs Solar Mini 4
Which is better for the money: GPT-5.5 (Medium) by OpenAI or Solar Mini 4 by Upstage? 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-5.5 (Medium) scores 9.7 points higher (33.8 vs 24.1) but costs 4.2× as much to run the benchmark ($2095 vs $502; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-5.5 (Medium) when you need intelligence above 24.1, and Solar Mini 4 when 24.1 is enough.
| Metric | GPT-5.5 (Medium) | Solar Mini 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.8 | 24.1 | −28.7% Solar Mini 4 is 28.7% less intelligent |
| Total AA cost (lower is better) | $2,095.12 | $502.02 | −76.0% Solar Mini 4 is 76.0% cheaper |
| End-to-end time (lower is better) | 9.97s | 27.46s | +175.4% Solar Mini 4 is 175.4% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $0.10 / $0.40 | |
| Input modalities | Text, Image | Text |
Solar Mini 4 vs GPT-5.5 (Medium): 28.7% less intelligence, 76.0% less cost to run the AA benchmark, and 175.4% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.5 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Solar Mini 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
GPT-5.5 (Medium)Solar Mini 4Today's Pareto 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-medium/solar-mini4 · Markdown: /api/v1/compare/gpt-5-5-medium/solar-mini4?format=md · llms.txt · agent skill