gpt-oss-20b (High) vs Solar Mini 4
Which is better for the money: gpt-oss-20b (High) 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
Solar Mini 4 scores 15.1 points higher (24.1 vs 9.0) but costs 17× as much to run the benchmark ($502 vs $28.8; premium vs budget cost classes). They are not alternatives at one budget: pick Solar Mini 4 when you need intelligence above 9.0, and gpt-oss-20b (High) when 9.0 is enough.
| Metric | gpt-oss-20b (High) | Solar Mini 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 9.0 | 24.1 | +167.8% Solar Mini 4 is 2.7× more intelligent |
| Total AA cost (lower is better) | $28.81 | $502.02 | +1642.5% Solar Mini 4 is 17× more expensive |
| End-to-end time (lower is better) | 16.79s | 27.46s | +63.5% Solar Mini 4 is 63.5% slower |
| Price per 1M tokens (in / out) | $0.05 / $0.22 | $0.10 / $0.40 | |
| Input modalities | Text | Text |
Solar Mini 4 vs gpt-oss-20b (High): 167.8% more intelligence, 1642.5% more cost to run the AA benchmark, and 63.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- gpt-oss-20b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- Solar Mini 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
gpt-oss-20b (High)Solar Mini 4Today'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-oss-20b/solar-mini4 · Markdown: /api/v1/compare/gpt-oss-20b/solar-mini4?format=md · llms.txt · agent skill