GPT-5.3 Codex (Xhigh) vs Magistral Small 1.2

GPT-5.3 Codex (Xhigh) vs Magistral Small 1.2. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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)Magistral Small 1.2Difference
Intelligence (higher is better)32.58.6−73.5% Magistral Small 1.2 is 73.5% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)62.23s34.22s−45.0% Magistral Small 1.2 is 45.0% faster
Price per 1M tokens (in / out)$1.75 / $14.0$0.50 / $1.50
Input modalitiesText, ImageText, Image
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/magistral-small-2509 · Markdown: /api/v1/compare/gpt-5-3-codex/magistral-small-2509?format=md · llms.txt · agent skill