GPT-5.1 Codex mini (High) vs GPT-5 mini (Medium)

GPT-5.1 Codex mini (High) vs GPT-5 mini (Medium). 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.

MetricGPT-5.1 Codex mini (High)GPT-5 mini (Medium)Difference
Intelligence (higher is better)20.420.6+1.0% GPT-5 mini (Medium) is 1.0% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)10.10s13.53s+34.0% GPT-5 mini (Medium) is 34.0% slower
Price per 1M tokens (in / out)$0.25 / $2.00$0.25 / $2.00
Input modalitiesText, ImageText, Image
Matchup

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