GPT-5 Codex (High) vs Grok 4.6 (Medium)

GPT-5 Codex (High) vs Grok 4.6 (Medium). 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
-
SpaceXAIGrok 4.6 (Medium)Off the frontier
Intelligence
42.80
Total cost
$1557
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)Grok 4.6 (Medium)Difference
Intelligence (higher is better)24.942.8+71.9% Grok 4.6 (Medium) is 71.9% more intelligent
Total AA cost (lower is better)Not reported$1,557.04— not comparable
End-to-end time (lower is better)13.09s31.37s+139.6% Grok 4.6 (Medium) is 139.6% slower
Price per 1M tokens (in / out)$1.25 / $10.0$2.00 / $6.00
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5 Codex (High): what beats itGrok 4.6 (Medium): 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-codex/grok-4-6-medium · Markdown: /api/v1/compare/gpt-5-codex/grok-4-6-medium?format=md · llms.txt · agent skill