Agnes 2.5 Pro Theta vs Claude Opus 5.5 (Low, Default Fallback)
Which is better for the money: Agnes 2.5 Pro Theta by Sapiens AI or Claude Opus 5.5 (Low, Default Fallback) by Anthropic? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-09.
Trade-off
Verdict
Depends on your budget
Claude Opus 5.5 (Low, Default Fallback) scores 10.8 points higher (34.8 vs 24.0) but costs 2.5× as much to run the benchmark ($980 vs $397; premium vs mid-range cost classes). Pick Claude Opus 5.5 (Low, Default Fallback) when the extra intelligence is worth the premium, otherwise Agnes 2.5 Pro Theta.
| Metric | Agnes 2.5 Pro Theta | Claude Opus 5.5 (Low, Default Fallback) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.0 | 34.8 | +45.0% Claude Opus 5.5 (Low,… is 45.0% more intelligent |
| Total AA cost (lower is better) | $396.84 | $979.66 | +146.9% Claude Opus 5.5 (Low,… is 2.5× more expensive |
| End-to-end time (lower is better) | 12.07s | 11.07s | −8.3% Claude Opus 5.5 (Low,… is 8.3% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.30 | $4.00 / $20.0 | |
| Input modalities | Text, Image | Text, Image |
Claude Opus 5.5 (Low, Default Fallback) vs Agnes 2.5 Pro Theta: 45.0% more intelligence, 146.9% more cost to run the AA benchmark, and 8.3% faster end-to-end.
Today's Pareto frontier
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 Opus 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 52.50 for $718.
Agnes 2.5 Pro ThetaClaude Opus 5.5 (Low, Default Fallback)Today's Pareto frontierEvery other model
Matchup
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