GLM-5.2 (Max) vs GPT-6 Luna (High)
Which is better for the money: GLM-5.2 (Max) by Z AI or GPT-6 Luna (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GLM-5.2 (Max) scores 0.8 points higher (33.7 vs 32.9) but costs 44× as much to run the benchmark ($2097 vs $47.9; flagship vs budget cost classes). They are not alternatives at one budget: pick GLM-5.2 (Max) when you need intelligence above 32.9, and GPT-6 Luna (High) when 32.9 is enough.
| Metric | GLM-5.2 (Max) | GPT-6 Luna (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.7 | 32.9 | −2.4% GPT-6 Luna (High) is 2.4% less intelligent |
| Total AA cost (lower is better) | $2,097.29 | $47.85 | −97.7% GPT-6 Luna (High) is 97.7% cheaper |
| End-to-end time (lower is better) | 29.81s | 16.20s | −45.7% GPT-6 Luna (High) is 45.7% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $0.10 / $0.50 | |
| Input modalities | Text | Text, Image |
GPT-6 Luna (High) vs GLM-5.2 (Max): 2.4% less intelligence, 97.7% less cost to run the AA benchmark, and 45.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.2 (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
GLM-5.2 (Max)GPT-6 Luna (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-2/gpt-6-luna-high · Markdown: /api/v1/compare/glm-5-2/gpt-6-luna-high?format=md · llms.txt · agent skill