GPT-5.2 Codex (Xhigh) vs o3-pro
GPT-5.2 Codex (Xhigh) vs o3-pro. 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-5.2 Codex (Xhigh) | o3-pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 28.5 | 21.9 | −23.2% o3-pro is 23.2% less intelligent |
| Total AA cost (lower is better) | Not reported | Not reported | — not comparable |
| End-to-end time (lower is better) | 151.19s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $1.75 / $14.0 | $20.0 / $80.0 | |
| 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-5-2-codex/o3-pro · Markdown: /api/v1/compare/gpt-5-2-codex/o3-pro?format=md · llms.txt · agent skill