GPT-5.2 Codex (Xhigh) vs GPT-5.5 (High)
GPT-5.2 Codex (Xhigh) vs GPT-5.5 (High). 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) | GPT-5.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 28.5 | 37.0 | +29.8% GPT-5.5 (High) is 29.8% more intelligent |
| Total AA cost (lower is better) | Not reported | $3,410.76 | — not comparable |
| End-to-end time (lower is better) | 147.98s | 20.37s | −86.2% GPT-5.5 (High) is 86.2% faster |
| Price per 1M tokens (in / out) | $1.75 / $14.0 | $5.00 / $30.0 | |
| Input modalities | Text, Image | Text, Image |
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-2-codex/gpt-5-5-high · Markdown: /api/v1/compare/gpt-5-2-codex/gpt-5-5-high?format=md · llms.txt · agent skill