GLM-5.2 (Max) vs GPT-5.6 Luna (Max)

Which is better for the money: GLM-5.2 (Max) by Z AI or GPT-5.6 Luna (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.

Clear winner

Z AIGLM-5.2 (Max)Off the frontier

Intelligence: 33.70
Total cost: $2097

OpenAIGPT-5.6 Luna (Max)Off the frontier

Intelligence: 37.30
Total cost: $320

Verdict

Pick GPT-5.6 Luna (Max)

GPT-5.6 Luna (Max) vs GLM-5.2 (Max): 10.7% more intelligence, 84.7% less cost to run the AA benchmark, and 183.7% slower end-to-end.

Metric	GLM-5.2 (Max)	GPT-5.6 Luna (Max)	Difference
Intelligence (higher is better)	33.7	37.3	+10.7% GPT-5.6 Luna (Max) is 10.7% more intelligent
Total AA cost (lower is better)	$2,097.29	$319.93	−84.7% GPT-5.6 Luna (Max) is 84.7% cheaper
End-to-end time (lower is better)	30.10s	85.38s	+183.7% GPT-5.6 Luna (Max) is 183.7% slower
Price per 1M tokens (in / out)	$1.40 / $4.40	$0.20 / $1.20
Input modalities	Text	Text, Image

Open this matchup in the interactive picker GLM-5.2 (Max): what beats it GPT-5.6 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-5.6 Luna (Max) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.

GLM-5.2 (Max)GPT-5.6 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-5-6-luna · Markdown: /api/v1/compare/glm-5-2/gpt-5-6-luna?format=md · llms.txt · agent skill