GPT-5.6 Luna (Xhigh) vs Step 3.5 Flash 2603

GPT-5.6 Luna (Xhigh) vs Step 3.5 Flash 2603. 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 (Xhigh)Step 3.5 Flash 2603Difference
Intelligence (higher is better)34.617.0−50.9% Step 3.5 Flash 2603 is 50.9% less intelligent
Total AA cost (lower is better)$179.33Not reported— not comparable
End-to-end time (lower is better)35.85s19.57s−45.4% Step 3.5 Flash 2603 is 45.4% faster
Price per 1M tokens (in / out)$0.20 / $1.20$0.10 / $0.30
Input modalitiesText, ImageText
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-luna-xhigh/step-3-5-flash · Markdown: /api/v1/compare/gpt-5-6-luna-xhigh/step-3-5-flash?format=md · llms.txt · agent skill