Claude Sonnet 5 (Medium) vs Solar Pro 3
Which is better for the money: Claude Sonnet 5 (Medium) 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 (Medium) scores 20.3 points higher (28.1 vs 7.8) but costs 7.7× as much to run the benchmark ($1218 vs $159; premium vs mid-range cost classes). They are not alternatives at one budget: pick Claude Sonnet 5 (Medium) when you need intelligence above 7.8, and Solar Pro 3 when 7.8 is enough.
| Metric | Claude Sonnet 5 (Medium) | Solar Pro 3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 28.1 | 7.8 | −72.2% Solar Pro 3 is 72.2% less intelligent |
| Total AA cost (lower is better) | $1,218.17 | $159.22 | −86.9% Solar Pro 3 is 86.9% cheaper |
| End-to-end time (lower is better) | 8.58s | 18.89s | +120.2% Solar Pro 3 is 120.2% slower |
| 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 (Medium): 72.2% less intelligence, 86.9% less cost to run the AA benchmark, and 120.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- 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 (Medium)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/claude-sonnet-5-medium/solar-pro-3 · Markdown: /api/v1/compare/claude-sonnet-5-medium/solar-pro-3?format=md · llms.txt · agent skill