GPT-5.2 Codex (Xhigh) vs GPT-5.6 Luna (Medium)
GPT-5.2 Codex (Xhigh) vs GPT-5.6 Luna (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-5.2 Codex (Xhigh) | GPT-5.6 Luna (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 28.5 | 25.0 | −12.3% GPT-5.6 Luna (Medium) is 12.3% less intelligent |
| Total AA cost (lower is better) | Not reported | $44.32 | — not comparable |
| End-to-end time (lower is better) | 135.03s | 6.19s | −95.4% GPT-5.6 Luna (Medium) is 95.4% faster |
| Price per 1M tokens (in / out) | $1.75 / $14.0 | $0.20 / $1.20 | |
| 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/gpt-5-6-luna-medium · Markdown: /api/v1/compare/gpt-5-2-codex/gpt-5-6-luna-medium?format=md · llms.txt · agent skill