GLM-5.3 (Max) vs Grok 4.20 0309 v2 (Reasoning)

GLM-5.3 (Max) vs Grok 4.20 0309 v2 (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

Z AIGLM-5.3 (Max)Off the frontier
Intelligence
44.80
Total cost
$2503
SpaceXAIGrok 4.20 0309 v2 (Reasoning)Not ranked · benchmark data missing
Intelligence
25.70
Total cost
-
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-5.3 (Max)Grok 4.20 0309 v2 (Reasoning)Difference
Intelligence (higher is better)44.825.7−42.6% Grok 4.20 0309 v2 (Re… is 42.6% less intelligent
Total AA cost (lower is better)$2,503.48Not reported— not comparable
End-to-end time (lower is better)31.62s18.75s−40.7% Grok 4.20 0309 v2 (Re… is 40.7% faster
Price per 1M tokens (in / out)$1.40 / $4.40$1.25 / $2.50
Input modalitiesTextText, Image
Open this matchup in the interactive pickerGLM-5.3 (Max): what beats itGrok 4.20 0309 v2 (Reasoning): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-3/grok-4-20 · Markdown: /api/v1/compare/glm-5-3/grok-4-20?format=md · llms.txt · agent skill