GPT-5.3 Codex (Xhigh) vs Step 5 Preview
GPT-5.3 Codex (Xhigh) vs Step 5 Preview. 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.
| Metric | GPT-5.3 Codex (Xhigh) | Step 5 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.5 | 43.7 | +34.5% Step 5 Preview is 34.5% more intelligent |
| Total AA cost (lower is better) | Not reported | $1,190.26 | — not comparable |
| End-to-end time (lower is better) | 62.23s | 12.06s | −80.6% Step 5 Preview is 80.6% faster |
| Price per 1M tokens (in / out) | $1.75 / $14.0 | $1.00 / $2.70 | |
| Input modalities | Text, Image | Text, Image |
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-3-codex/step-5 · Markdown: /api/v1/compare/gpt-5-3-codex/step-5?format=md · llms.txt · agent skill