GLM-5.3 (Low) vs GPT-6 Sol (Xhigh)

Which is better for the money: GLM-5.3 (Low) by Z AI or GPT-6 Sol (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Clear winner

Z AIGLM-5.3 (Low)Off the frontier

Intelligence: 34.30
Total cost: $1013

OpenAIGPT-6 Sol (Xhigh)Off the frontier

Intelligence: 44.20
Total cost: $855

Verdict

Pick GPT-6 Sol (Xhigh)

GPT-6 Sol (Xhigh) vs GLM-5.3 (Low): 28.9% more intelligence, 15.6% less cost to run the AA benchmark, and 34.6% slower end-to-end.

Metric	GLM-5.3 (Low)	GPT-6 Sol (Xhigh)	Difference
Intelligence (higher is better)	34.3	44.2	+28.9% GPT-6 Sol (Xhigh) is 28.9% more intelligent
Total AA cost (lower is better)	$1,012.50	$854.60	−15.6% GPT-6 Sol (Xhigh) is 15.6% cheaper
End-to-end time (lower is better)	31.40s	42.26s	+34.6% GPT-6 Sol (Xhigh) is 34.6% slower
Price per 1M tokens (in / out)	$1.40 / $4.40	$2.00 / $10.0
Input modalities	Text	Text, Image

Open this matchup in the interactive picker GLM-5.3 (Low): what beats it GPT-6 Sol (Xhigh): what beats it

Today's Pareto frontier

Against the frontier

GLM-5.3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.

GLM-5.3 (Low)GPT-6 Sol (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-5-3-low/gpt-6-sol-xhigh · Markdown: /api/v1/compare/glm-5-3-low/gpt-6-sol-xhigh?format=md · llms.txt · agent skill