Claude Sonnet 5 (Xhigh) vs Solar Pro 3
Which is better for the money: Claude Sonnet 5 (Xhigh) by Anthropic 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
Claude Sonnet 5 (Xhigh) scores 26.6 points higher (34.4 vs 7.8) but costs 20× as much to run the benchmark ($3255 vs $159; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Sonnet 5 (Xhigh) when you need intelligence above 7.8, and Solar Pro 3 when 7.8 is enough.
| Metric | Claude Sonnet 5 (Xhigh) | Solar Pro 3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.4 | 7.8 | −77.3% Solar Pro 3 is 77.3% less intelligent |
| Total AA cost (lower is better) | $3,255.40 | $159.22 | −95.1% Solar Pro 3 is 95.1% cheaper |
| End-to-end time (lower is better) | 26.92s | 18.89s | −29.8% Solar Pro 3 is 29.8% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
Solar Pro 3 vs Claude Sonnet 5 (Xhigh): 77.3% less intelligence, 95.1% less cost to run the AA benchmark, and 29.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Solar Pro 3 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
Claude Sonnet 5 (Xhigh)Solar Pro 3Today's Pareto frontierEvery other model
Matchup
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