GLM-5.2 (Max) vs GPT-6 Luna (Max)

Which is better for the money: GLM-5.2 (Max) by Z AI or GPT-6 Luna (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Clear winner

Z AIGLM-5.2 (Max)Off the frontier

Intelligence: 33.70
Total cost: $2097

OpenAIGPT-6 Luna (Max)On the frontier

Intelligence: 38.10
Total cost: $122

Verdict

Pick GPT-6 Luna (Max)

GPT-6 Luna (Max) vs GLM-5.2 (Max): 13.1% more intelligence, 94.2% less cost to run the AA benchmark, and 174.8% slower end-to-end.

Metric	GLM-5.2 (Max)	GPT-6 Luna (Max)	Difference
Intelligence (higher is better)	33.7	38.1	+13.1% GPT-6 Luna (Max) is 13.1% more intelligent
Total AA cost (lower is better)	$2,097.29	$122.05	−94.2% GPT-6 Luna (Max) is 94.2% cheaper
End-to-end time (lower is better)	29.78s	81.83s	+174.8% GPT-6 Luna (Max) is 174.8% slower
Price per 1M tokens (in / out)	$1.40 / $4.40	$0.10 / $0.50
Input modalities	Text	Text, Image

Open this matchup in the interactive picker GLM-5.2 (Max): what beats it GPT-6 Luna (Max): what beats it

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 (Max) is on today's frontier: nothing is both smarter and cheaper.

GLM-5.2 (Max)GPT-6 Luna (Max)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 · Markdown: /api/v1/compare/glm-5-2/gpt-6-luna?format=md · llms.txt · agent skill