GPT-5 (Medium) vs GPT-6 Luna (High)

GPT-5 (Medium) vs GPT-6 Luna (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5 (Medium)Not ranked · benchmark data missing
Intelligence
22.90
Total cost
-
OpenAIGPT-6 Luna (High)On the frontier
Intelligence
32.90
Total cost
$47.9
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 (Medium)GPT-6 Luna (High)Difference
Intelligence (higher is better)22.932.9+43.7% GPT-6 Luna (High) is 43.7% more intelligent
Total AA cost (lower is better)Not reported$47.85— not comparable
End-to-end time (lower is better)29.56s14.68s−50.3% GPT-6 Luna (High) is 50.3% faster
Price per 1M tokens (in / out)$1.25 / $10.0$0.10 / $0.50
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5 (Medium): what beats itGPT-6 Luna (High): what beats it
Matchup

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