Claude Sonnet 5.5 (High, Default Fallback) vs GLM-5.2 (Max)

Which is better for the money: Claude Sonnet 5.5 (High, Default Fallback) by Anthropic or GLM-5.2 (Max) by Z AI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Clear winner

AnthropicClaude Sonnet 5.5 (High, Default Fallback)Off the frontier

Intelligence: 46.80
Total cost: $1027

Z AIGLM-5.2 (Max)Off the frontier

Intelligence: 33.70
Total cost: $2097

Verdict

Pick Claude Sonnet 5.5 (High, Default Fallback)

GLM-5.2 (Max) vs Claude Sonnet 5.5 (High, Default Fallback): 28.0% less intelligence, 104.1% more cost to run the AA benchmark, and 81.2% slower end-to-end.

Metric	Claude Sonnet 5.5 (High, Default Fallback)	GLM-5.2 (Max)	Difference
Intelligence (higher is better)	46.8	33.7	−28.0% GLM-5.2 (Max) is 28.0% less intelligent
Total AA cost (lower is better)	$1,027.40	$2,097.29	+104.1% GLM-5.2 (Max) is 2.0× more expensive
End-to-end time (lower is better)	15.53s	28.14s	+81.2% GLM-5.2 (Max) is 81.2% slower
Price per 1M tokens (in / out)	$2.00 / $10.0	$1.40 / $4.40
Input modalities	Text, Image	Text

Open this matchup in the interactive picker Claude Sonnet 5.5 (High, Default Fallback): what beats it GLM-5.2 (Max): what beats it

Today's Pareto frontier

Against the frontier

Claude Sonnet 5.5 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GLM-5.2 (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.

Claude Sonnet 5.5 (High, Default Fallback)GLM-5.2 (Max)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/claude-sonnet-5-5-high/glm-5-2 · Markdown: /api/v1/compare/claude-sonnet-5-5-high/glm-5-2?format=md · llms.txt · agent skill