GPT-5.3 Codex (Xhigh) vs Mistral Small 3.1

GPT-5.3 Codex (Xhigh) vs Mistral Small 3.1. 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
32.50
Total cost
-
MistralMistral Small 3.1Off the frontier
Intelligence
7.10
Total cost
$27.8
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 Small 3.1Difference
Intelligence (higher is better)32.57.1−78.2% Mistral Small 3.1 is 78.2% less intelligent
Total AA cost (lower is better)Not reported$27.82— not comparable
End-to-end time (lower is better)60.49s11.78s−80.5% Mistral Small 3.1 is 80.5% faster
Price per 1M tokens (in / out)$1.75 / $14.0$0.08 / $0.14
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5.3 Codex (Xhigh): what beats itMistral Small 3.1: 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-5-3-codex/mistral-small-3-1 · Markdown: /api/v1/compare/gpt-5-3-codex/mistral-small-3-1?format=md · llms.txt · agent skill