Agnes 2.5 Pro Theta vs GPT-6 Luna (Low)
Which is better for the money: Agnes 2.5 Pro Theta by Sapiens AI or GPT-6 Luna (Low) 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 14.3 points higher (24.0 vs 9.7) but costs 44× as much to run the benchmark ($397 vs $9.09; mid-range vs budget cost classes). They are not alternatives at one budget: pick Agnes 2.5 Pro Theta when you need intelligence above 9.7, and GPT-6 Luna (Low) when 9.7 is enough.
| Metric | Agnes 2.5 Pro Theta | GPT-6 Luna (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.0 | 9.7 | −59.6% GPT-6 Luna (Low) is 59.6% less intelligent |
| Total AA cost (lower is better) | $396.84 | $9.09 | −97.7% GPT-6 Luna (Low) is 97.7% cheaper |
| End-to-end time (lower is better) | 12.07s | 7.43s | −38.4% GPT-6 Luna (Low) is 38.4% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.30 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (Low) vs Agnes 2.5 Pro Theta: 59.6% less intelligence, 97.7% less cost to run the AA benchmark, and 38.4% 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.
- GPT-6 Luna (Low) is on today's frontier: nothing is both smarter and cheaper.
Agnes 2.5 Pro ThetaGPT-6 Luna (Low)Today'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/agnes-2-5-pro-theta/gpt-6-luna-low · Markdown: /api/v1/compare/agnes-2-5-pro-theta/gpt-6-luna-low?format=md · llms.txt · agent skill