GPT-5.3 Codex (Xhigh) vs Step 3.7 Flash

GPT-5.3 Codex (Xhigh) vs Step 3.7 Flash. 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
-
StepFunStep 3.7 FlashNot ranked · benchmark data missing
Intelligence
19.50
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)Step 3.7 FlashDifference
Intelligence (higher is better)32.519.5−40.0% Step 3.7 Flash is 40.0% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)60.49s18.73s−69.0% Step 3.7 Flash is 69.0% faster
Price per 1M tokens (in / out)$1.75 / $14.0$0.20 / $1.15
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5.3 Codex (Xhigh): what beats itStep 3.7 Flash: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-3-codex/step-3-7-flash · Markdown: /api/v1/compare/gpt-5-3-codex/step-3-7-flash?format=md · llms.txt · agent skill