GPT-5 nano (Medium) vs o3

GPT-5 nano (Medium) vs o3. 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
-
OpenAIo3Not ranked · benchmark data missing
Intelligence
20.20
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)o3Difference
Intelligence (higher is better)12.520.2+61.6% o3 is 61.6% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)40.59s11.00s−72.9% o3 is 72.9% faster
Price per 1M tokens (in / out)$0.05 / $0.40$2.00 / $8.00
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5 nano (Medium): what beats ito3: 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-nano-medium/o3 · Markdown: /api/v1/compare/gpt-5-nano-medium/o3?format=md · llms.txt · agent skill