GPT-5.1 Codex mini (high) vs GPT-5.5 (medium)
GPT-5.1 Codex mini (high) vs GPT-5.5 (medium). 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 mini (high) | GPT-5.5 (medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.4 | 34.2 | +67.6% GPT-5.5 (medium) is 67.6% more intelligent |
| Total AA cost (lower is better) | Not reported | $2,095.12 | — not comparable |
| End-to-end time (lower is better) | Not reported | 11.45s | — not comparable |
| Price per 1M tokens (in / out) | $0.25 / $2.00 | $5.00 / $30.0 | |
| Input modalities | Not reported | Not reported |
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1-codex-mini/gpt-5-5-medium · Markdown: /api/v1/compare/gpt-5-1-codex-mini/gpt-5-5-medium?format=md · llms.txt · agent skill