GLM-5.1 (Reasoning) vs GPT-5.3 Codex (Xhigh)

GLM-5.1 (Reasoning) vs GPT-5.3 Codex (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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-5.1 (Reasoning)GPT-5.3 Codex (Xhigh)Difference
Intelligence (higher is better)26.132.5+24.5% GPT-5.3 Codex (Xhigh) is 24.5% more intelligent
Total AA cost (lower is better)$1,486.78Not reported— not comparable
End-to-end time (lower is better)60.76s60.49s−0.4% GPT-5.3 Codex (Xhigh) is 0.4% faster
Price per 1M tokens (in / out)$1.28 / $4.07$1.75 / $14.0
Input modalitiesTextText, Image
Matchup

Compare something else

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