GPT-5 Codex (High) vs GPT-5 nano (High)

GPT-5 Codex (High) vs GPT-5 nano (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5 Codex (High)Not ranked · benchmark data missing
Intelligence
24.90
Total cost
-
OpenAIGPT-5 nano (High)Not ranked · benchmark data missing
Intelligence
13.00
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 Codex (High)GPT-5 nano (High)Difference
Intelligence (higher is better)24.913.0−47.8% GPT-5 nano (High) is 47.8% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)13.09s87.53s+568.7% GPT-5 nano (High) is 568.7% slower
Price per 1M tokens (in / out)$1.25 / $10.0$0.05 / $0.40
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5 Codex (High): what beats itGPT-5 nano (High): 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-codex/gpt-5-nano · Markdown: /api/v1/compare/gpt-5-codex/gpt-5-nano?format=md · llms.txt · agent skill