GPT-5.2 Codex (Xhigh) vs GPT-5.6 Luna (Low)

GPT-5.2 Codex (Xhigh) vs GPT-5.6 Luna (Low). 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.

MetricGPT-5.2 Codex (Xhigh)GPT-5.6 Luna (Low)Difference
Intelligence (higher is better)28.521.0−26.3% GPT-5.6 Luna (Low) is 26.3% less intelligent
Total AA cost (lower is better)Not reported$27.02— not comparable
End-to-end time (lower is better)134.75s5.90s−95.6% GPT-5.6 Luna (Low) is 95.6% faster
Price per 1M tokens (in / out)$1.75 / $14.0$0.20 / $1.20
Input modalitiesText, ImageText, Image
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-2-codex/gpt-5-6-luna-low · Markdown: /api/v1/compare/gpt-5-2-codex/gpt-5-6-luna-low?format=md · llms.txt · agent skill