Agnes 2.5 Pro Theta vs GPT-6 Luna (High)
Which is better for the money: Agnes 2.5 Pro Theta by Sapiens AI or GPT-6 Luna (High) by OpenAI? 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
Agnes 2.5 Pro Theta scores 2.6 points higher (24.0 vs 21.4) but costs 6.3× as much to run the benchmark ($397 vs $62.6; both mid-range class). They are not alternatives at one budget: pick Agnes 2.5 Pro Theta when you need intelligence above 21.4, and GPT-6 Luna (High) when 21.4 is enough.
| Metric | Agnes 2.5 Pro Theta | GPT-6 Luna (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.0 | 21.4 | −10.8% GPT-6 Luna (High) is 10.8% less intelligent |
| Total AA cost (lower is better) | $396.84 | $62.58 | −84.2% GPT-6 Luna (High) is 84.2% cheaper |
| End-to-end time (lower is better) | 12.07s | 18.70s | +54.9% GPT-6 Luna (High) is 54.9% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.30 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (High) vs Agnes 2.5 Pro Theta: 10.8% less intelligence, 84.2% less cost to run the AA benchmark, and 54.9% slower 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.
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
Agnes 2.5 Pro ThetaGPT-6 Luna (High)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/agnes-2-5-pro-theta/gpt-6-luna-high · Markdown: /api/v1/compare/agnes-2-5-pro-theta/gpt-6-luna-high?format=md · llms.txt · agent skill