GPT-5.3 Codex (Xhigh) vs Kimi K3 (Max)

GPT-5.3 Codex (Xhigh) vs Kimi K3 (Max). 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
-
KimiKimi K3 (Max)Off the frontier
Intelligence
43.60
Total cost
$3658
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)Kimi K3 (Max)Difference
Intelligence (higher is better)32.543.6+34.2% Kimi K3 (Max) is 34.2% more intelligent
Total AA cost (lower is better)Not reported$3,658.07— not comparable
End-to-end time (lower is better)60.49s58.57s−3.2% Kimi K3 (Max) is 3.2% faster
Price per 1M tokens (in / out)$1.75 / $14.0$3.00 / $15.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5.3 Codex (Xhigh): what beats itKimi K3 (Max): 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/kimi-k3 · Markdown: /api/v1/compare/gpt-5-3-codex/kimi-k3?format=md · llms.txt · agent skill