GPT-5.6 Luna (Medium) vs Grok 4

GPT-5.6 Luna (Medium) vs Grok 4. 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-5.6 Luna (Medium)Grok 4Difference
Intelligence (higher is better)25.022.5−10.0% Grok 4 is 10.0% less intelligent
Total AA cost (lower is better)$44.32Not reported— not comparable
End-to-end time (lower is better)6.19s14.71s+137.6% Grok 4 is 137.6% slower
Price per 1M tokens (in / out)$0.20 / $1.20$3.00 / $15.0
Input modalitiesText, ImageText, Image
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-luna-medium/grok-4 · Markdown: /api/v1/compare/gpt-5-6-luna-medium/grok-4?format=md · llms.txt · agent skill