GPT-5.4 nano (Xhigh) vs Solar Mini 4
Which is better for the money: GPT-5.4 nano (Xhigh) 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 3.4 points higher (24.1 vs 20.7) but costs 1.5× as much to run the benchmark ($502 vs $331; premium vs mid-range cost classes). Pick Solar Mini 4 when the extra intelligence is worth the premium, otherwise GPT-5.4 nano (Xhigh).
| Metric | GPT-5.4 nano (Xhigh) | Solar Mini 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 24.1 | +16.4% Solar Mini 4 is 16.4% more intelligent |
| Total AA cost (lower is better) | $331.24 | $502.02 | +51.6% Solar Mini 4 is 51.6% more expensive |
| End-to-end time (lower is better) | 57.18s | 25.33s | −55.7% Solar Mini 4 is 55.7% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $0.10 / $0.40 | |
| Input modalities | Text, Image | Text |
Solar Mini 4 vs GPT-5.4 nano (Xhigh): 16.4% more intelligence, 51.6% more cost to run the AA benchmark, and 55.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.4 nano (Xhigh) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Solar Mini 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
GPT-5.4 nano (Xhigh)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-5-4-nano/solar-mini4 · Markdown: /api/v1/compare/gpt-5-4-nano/solar-mini4?format=md · llms.txt · agent skill