GLM-5.3 (Low) vs GPT-6.1 Sol (High)

Which is better for the money: GLM-5.3 (Low) by Z AI or GPT-6.1 Sol (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.

Clear winner

Z AIGLM-5.3 (Low)Off the frontier

Intelligence: 34.30
Total cost: $1013

OpenAIGPT-6.1 Sol (High)On the frontier

Intelligence: 50.20
Total cost: $521

Verdict

Pick GPT-6.1 Sol (High)

GPT-6.1 Sol (High) vs GLM-5.3 (Low): 46.4% more intelligence, 48.5% less cost to run the AA benchmark, and 39.2% slower end-to-end.

Metric	GLM-5.3 (Low)	GPT-6.1 Sol (High)	Difference
Intelligence (higher is better)	34.3	50.2	+46.4% GPT-6.1 Sol (High) is 46.4% more intelligent
Total AA cost (lower is better)	$1,012.50	$521.32	−48.5% GPT-6.1 Sol (High) is 48.5% cheaper
End-to-end time (lower is better)	31.21s	43.44s	+39.2% GPT-6.1 Sol (High) is 39.2% 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-6.1 Sol (High): 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-6.1 Sol (High) is on today's frontier: nothing is both smarter and cheaper.

GLM-5.3 (Low)GPT-6.1 Sol (High)Today's Pareto frontierOpen-weights frontierEvery other model

Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-3-low/gpt-6-1-sol-high · Markdown: /api/v1/compare/glm-5-3-low/gpt-6-1-sol-high?format=md · llms.txt · agent skill