GPT-6 Astra (Xhigh) vs Solar Mini 4
Which is better for the money: GPT-6 Astra (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
GPT-6 Astra (Xhigh) scores 28.3 points higher (52.4 vs 24.1) but costs 7.6× as much to run the benchmark ($3803 vs $502; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Xhigh) when you need intelligence above 24.1, and Solar Mini 4 when 24.1 is enough.
| Metric | GPT-6 Astra (Xhigh) | Solar Mini 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.4 | 24.1 | −54.0% Solar Mini 4 is 54.0% less intelligent |
| Total AA cost (lower is better) | $3,802.98 | $502.02 | −86.8% Solar Mini 4 is 86.8% cheaper |
| End-to-end time (lower is better) | 158.64s | 23.10s | −85.4% Solar Mini 4 is 85.4% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.10 / $0.40 | |
| Input modalities | Text, Image | Text |
Solar Mini 4 vs GPT-6 Astra (Xhigh): 54.0% less intelligence, 86.8% less cost to run the AA benchmark, and 85.4% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Solar Mini 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
GPT-6 Astra (Xhigh)Solar Mini 4Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-astra-xhigh/solar-mini4 · Markdown: /api/v1/compare/gpt-6-astra-xhigh/solar-mini4?format=md · llms.txt · agent skill