GPT-5.6 Sol (Low) vs Solar Pro 3
Which is better for the money: GPT-5.6 Sol (Low) by OpenAI or Solar Pro 3 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-5.6 Sol (Low) scores 25.7 points higher (33.5 vs 7.8) but costs 4.0× as much to run the benchmark ($637 vs $159; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (Low) when you need intelligence above 7.8, and Solar Pro 3 when 7.8 is enough.
| Metric | GPT-5.6 Sol (Low) | Solar Pro 3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.5 | 7.8 | −76.7% Solar Pro 3 is 76.7% less intelligent |
| Total AA cost (lower is better) | $637.28 | $159.22 | −75.0% Solar Pro 3 is 75.0% cheaper |
| End-to-end time (lower is better) | 8.26s | 18.89s | +128.7% Solar Pro 3 is 128.7% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
Solar Pro 3 vs GPT-5.6 Sol (Low): 76.7% less intelligence, 75.0% less cost to run the AA benchmark, and 128.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- Solar Pro 3 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
GPT-5.6 Sol (Low)Solar Pro 3Today'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-5-6-sol-low/solar-pro-3 · Markdown: /api/v1/compare/gpt-5-6-sol-low/solar-pro-3?format=md · llms.txt · agent skill