GPT-5.3 Codex (Xhigh) vs Nova Premier

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

OpenAIGPT-5.3 Codex (Xhigh)Not ranked · benchmark data missing
Intelligence
32.50
Total cost
-
AmazonNova PremierNot ranked · benchmark data missing
Intelligence
9.20
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.

MetricGPT-5.3 Codex (Xhigh)Nova PremierDifference
Intelligence (higher is better)32.59.2−71.7% Nova Premier is 71.7% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)62.23sNot reported— not comparable
Price per 1M tokens (in / out)$1.75 / $14.0—
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.3 Codex (Xhigh): what beats itNova Premier: what beats it
Matchup

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