GLM-5.2 (Max) vs GPT-6 Luna (Xhigh)
Which is better for the money: GLM-5.2 (Max) by Z AI or GPT-6 Luna (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6 Luna (Xhigh)
GPT-6 Luna (Xhigh) vs GLM-5.2 (Max): 2.7% more intelligence, 96.8% less cost to run the AA benchmark, and 29.3% faster end-to-end.
| Metric | GLM-5.2 (Max) | GPT-6 Luna (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.7 | 34.6 | +2.7% GPT-6 Luna (Xhigh) is 2.7% more intelligent |
| Total AA cost (lower is better) | $2,097.29 | $66.81 | −96.8% GPT-6 Luna (Xhigh) is 96.8% cheaper |
| End-to-end time (lower is better) | 30.10s | 21.27s | −29.3% GPT-6 Luna (Xhigh) is 29.3% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $0.10 / $0.50 | |
| Input modalities | Text | Text, Image |
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 (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
GLM-5.2 (Max)GPT-6 Luna (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-2/gpt-6-luna-xhigh · Markdown: /api/v1/compare/glm-5-2/gpt-6-luna-xhigh?format=md · llms.txt · agent skill