GLM-4.5 (Reasoning) vs GLM-5.3-Flash

GLM-4.5 (Reasoning) vs GLM-5.3-Flash. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

Z AIGLM-4.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
12.80
Total cost
-
Z AIGLM-5.3-FlashOff the frontier
Intelligence
41.80
Total cost
$306
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricGLM-4.5 (Reasoning)GLM-5.3-FlashDifference
Intelligence (higher is better)12.841.8+226.6% GLM-5.3-Flash is 3.3× more intelligent
Total AA cost (lower is better)Not reported$305.52— not comparable
End-to-end time (lower is better)Not reported38.89s— not comparable
Price per 1M tokens (in / out)—$0.15 / $0.50
Input modalitiesTextText, Image
Open this matchup in the interactive pickerGLM-4.5 (Reasoning): what beats itGLM-5.3-Flash: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-4.5/glm-5-3-flash · Markdown: /api/v1/compare/glm-4.5/glm-5-3-flash?format=md · llms.txt · agent skill