GPT-5.6 Terra (Non-reasoning) vs Solar Pro 4
Which is better for the money: GPT-5.6 Terra (Non-reasoning) by OpenAI or Solar Pro 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 Pro 4 scores 5.8 points higher (26.6 vs 20.8) but costs 2.9× as much to run the benchmark ($737 vs $256; premium vs mid-range cost classes). Pick Solar Pro 4 when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (Non-reasoning).
| Metric | GPT-5.6 Terra (Non-reasoning) | Solar Pro 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.8 | 26.6 | +27.9% Solar Pro 4 is 27.9% more intelligent |
| Total AA cost (lower is better) | $255.77 | $736.82 | +188.1% Solar Pro 4 is 2.9× more expensive |
| End-to-end time (lower is better) | 5.09s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text |
Solar Pro 4 vs GPT-5.6 Terra (Non-reasoning): 27.9% more intelligence, 188.1% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Solar Pro 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-5.6 Terra (Non-reasoning)Solar Pro 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-5-6-terra-non-reasoning/solar-pro4 · Markdown: /api/v1/compare/gpt-5-6-terra-non-reasoning/solar-pro4?format=md · llms.txt · agent skill