GPT-5.3 Codex (xhigh) vs Mistral Large 3

GPT-5.3 Codex (xhigh) vs Mistral Large 3. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5.3 Codex (xhigh)Not ranked · benchmark data missing
Intelligence
45.50
Total cost
-
MistralMistral Large 3Off the frontier
Intelligence
15.90
Total cost
$71.1
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-5.3 Codex (xhigh)Mistral Large 3Difference
Intelligence (higher is better)45.515.9−65.1% Mistral Large 3 is 65.1% less intelligent
Total AA cost (lower is better)Not reported$71.14— not comparable
End-to-end time (lower is better)59.10s10.78s−81.8% Mistral Large 3 is 81.8% faster
Price per 1M tokens (in / out)$1.75 / $14.0$0.50 / $1.50
Input modalitiesNot reportedNot reported
Open this matchup in the interactive pickerGPT-5.3 Codex (xhigh): what beats itMistral Large 3: what beats it
Matchup

Compare something else

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