GPT-5.1 Codex (High) vs GPT-5.4 mini (Xhigh)

GPT-5.1 Codex (High) vs GPT-5.4 mini (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.

MetricGPT-5.1 Codex (High)GPT-5.4 mini (Xhigh)Difference
Intelligence (higher is better)23.724.1+1.7% GPT-5.4 mini (Xhigh) is 1.7% more intelligent
Total AA cost (lower is better)Not reported$1,524.02— not comparable
End-to-end time (lower is better)12.02s115.75s+863.0% GPT-5.4 mini (Xhigh) is 863.0% slower
Price per 1M tokens (in / out)$1.25 / $10.0$0.75 / $4.50
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/gpt-5-4-mini · Markdown: /api/v1/compare/gpt-5-1-codex/gpt-5-4-mini?format=md · llms.txt · agent skill