GPT-5.1 Codex (High) vs Step 5 Preview
GPT-5.1 Codex (High) 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-5.1 Codex (High) | Step 5 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 23.7 | 43.7 | +84.4% Step 5 Preview is 84.4% more intelligent |
| Total AA cost (lower is better) | Not reported | $1,190.26 | — not comparable |
| End-to-end time (lower is better) | 12.01s | 12.06s | +0.4% Step 5 Preview is 0.4% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $1.00 / $2.70 | |
| Input modalities | Text, Image | Text, Image |
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1-codex/step-5 · Markdown: /api/v1/compare/gpt-5-1-codex/step-5?format=md · llms.txt · agent skill