Agnes 2.5 Pro Theta vs Claude Sonnet 5.5 (Xhigh, Default Fallback)
Which is better for the money: Agnes 2.5 Pro Theta by Sapiens AI or Claude Sonnet 5.5 (Xhigh, Default Fallback) by Anthropic? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-09.
Depends on your budget
Claude Sonnet 5.5 (Xhigh, Default Fallb… scores 25.9 points higher (49.9 vs 24.0) but costs 7.3× as much to run the benchmark ($2903 vs $397; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Sonnet 5.5 (Xhigh, Default Fallb… when you need intelligence above 24.0, and Agnes 2.5 Pro Theta when 24.0 is enough.
| Metric | Agnes 2.5 Pro Theta | Claude Sonnet 5.5 (Xhigh, Default Fallback) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.0 | 49.9 | +107.9% Claude Sonnet 5.5 (Xh… is 2.1× more intelligent |
| Total AA cost (lower is better) | $396.84 | $2,902.50 | +631.4% Claude Sonnet 5.5 (Xh… is 7.3× more expensive |
| End-to-end time (lower is better) | 12.07s | 37.54s | +211.0% Claude Sonnet 5.5 (Xh… is 211.0% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.30 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Claude Sonnet 5.5 (Xhigh, Default Fallback) vs Agnes 2.5 Pro Theta: 107.9% more intelligence, 631.4% more cost to run the AA benchmark, and 211.0% slower end-to-end.
Against the frontier
- Agnes 2.5 Pro Theta is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 46.30 for $389.
- Claude Sonnet 5.5 (Xhigh, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.60 for $1124.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/agnes-2-5-pro-theta/claude-sonnet-5-5-xhigh · Markdown: /api/v1/compare/agnes-2-5-pro-theta/claude-sonnet-5-5-xhigh?format=md · llms.txt · agent skill