GPT-5 nano (Medium) vs Step 3.5 Flash 2603

GPT-5 nano (Medium) 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.

OpenAIGPT-5 nano (Medium)Not ranked · benchmark data missing
Intelligence
12.50
Total cost
-
StepFunStep 3.5 Flash 2603Not ranked · benchmark data missing
Intelligence
17.00
Total cost
-
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 nano (Medium)Step 3.5 Flash 2603Difference
Intelligence (higher is better)12.517.0+36.0% Step 3.5 Flash 2603 is 36.0% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)40.59s20.55s−49.4% Step 3.5 Flash 2603 is 49.4% faster
Price per 1M tokens (in / out)$0.05 / $0.40$0.10 / $0.30
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5 nano (Medium): what beats itStep 3.5 Flash 2603: what beats it
Matchup

Compare something else

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