GPT-5.1 Codex mini (High) vs o1-preview

GPT-5.1 Codex mini (High) vs o1-preview. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5.1 Codex mini (High)Not ranked · benchmark data missing
Intelligence
20.40
Total cost
-
OpenAIo1-previewNot ranked · benchmark data missing
Intelligence
11.40
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-5.1 Codex mini (High)o1-previewDifference
Intelligence (higher is better)20.411.4−44.1% o1-preview is 44.1% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)10.10sNot reported— not comparable
Price per 1M tokens (in / out)$0.25 / $2.00$16.5 / $66.0
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.1 Codex mini (High): what beats ito1-preview: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1-codex-mini/o1-preview · Markdown: /api/v1/compare/gpt-5-1-codex-mini/o1-preview?format=md · llms.txt · agent skill