GPT-6 Astra (High) vs Solar Mini 4
Which is better for the money: GPT-6 Astra (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
GPT-6 Astra (High) scores 26.8 points higher (50.9 vs 24.1) but costs 5.8× as much to run the benchmark ($2925 vs $502; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (High) when you need intelligence above 24.1, and Solar Mini 4 when 24.1 is enough.
| Metric | GPT-6 Astra (High) | Solar Mini 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 50.9 | 24.1 | −52.7% Solar Mini 4 is 52.7% less intelligent |
| Total AA cost (lower is better) | $2,925.01 | $502.02 | −82.8% Solar Mini 4 is 82.8% cheaper |
| End-to-end time (lower is better) | 49.71s | 23.11s | −53.5% Solar Mini 4 is 53.5% 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 (High): 52.7% less intelligence, 82.8% less cost to run the AA benchmark, and 53.5% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- 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 (High)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-6-astra-high/solar-mini4 · Markdown: /api/v1/compare/gpt-6-astra-high/solar-mini4?format=md · llms.txt · agent skill