GPT-5 Codex (High) vs Mistral Medium 3.5

GPT-5 Codex (High) vs Mistral Medium 3.5. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5 Codex (High)Not ranked · benchmark data missing
Intelligence
24.90
Total cost
-
MistralMistral Medium 3.5Off the frontier
Intelligence
14.20
Total cost
$1264
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 Codex (High)Mistral Medium 3.5Difference
Intelligence (higher is better)24.914.2−43.0% Mistral Medium 3.5 is 43.0% less intelligent
Total AA cost (lower is better)Not reported$1,263.80— not comparable
End-to-end time (lower is better)13.09s17.96s+37.2% Mistral Medium 3.5 is 37.2% slower
Price per 1M tokens (in / out)$1.25 / $10.0$1.50 / $7.50
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5 Codex (High): what beats itMistral Medium 3.5: 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-codex/mistral-medium-3-5 · Markdown: /api/v1/compare/gpt-5-codex/mistral-medium-3-5?format=md · llms.txt · agent skill