GPT-6.1 Terra (Xhigh) vs Solar Pro 3
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or Solar Pro 3 by Upstage? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-6.1 Terra (Xhigh) scores 37.6 points higher (45.4 vs 7.8) but costs 2.8× as much to run the benchmark ($365 vs $131; both mid-range class). Pick GPT-6.1 Terra (Xhigh) when the extra intelligence is worth the premium, otherwise Solar Pro 3.
| Metric | GPT-6.1 Terra (Xhigh) | Solar Pro 3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 7.8 | −82.8% Solar Pro 3 is 82.8% less intelligent |
| Total AA cost (lower is better) | $364.95 | $131.21 | −64.0% Solar Pro 3 is 64.0% cheaper |
| End-to-end time (lower is better) | 18.82s | 18.76s | −0.3% Solar Pro 3 is 0.3% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
Solar Pro 3 vs GPT-6.1 Terra (Xhigh): 82.8% less intelligence, 64.0% less cost to run the AA benchmark, and 0.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Solar Pro 3 is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
GPT-6.1 Terra (Xhigh)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-6-1-terra-xhigh/solar-pro-3 · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/solar-pro-3?format=md · llms.txt · agent skill