GPT-5.1 Codex (High) vs Grok 4.6 (Xhigh)

GPT-5.1 Codex (High) vs Grok 4.6 (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5.1 Codex (High)Not ranked · benchmark data missing
Intelligence
23.70
Total cost
-
SpaceXAIGrok 4.6 (Xhigh)Off the frontier
Intelligence
44.20
Total cost
$2242
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-5.1 Codex (High)Grok 4.6 (Xhigh)Difference
Intelligence (higher is better)23.744.2+86.5% Grok 4.6 (Xhigh) is 86.5% more intelligent
Total AA cost (lower is better)Not reported$2,241.91— not comparable
End-to-end time (lower is better)12.93s36.53s+182.5% Grok 4.6 (Xhigh) is 182.5% 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-5.1 Codex (High): what beats itGrok 4.6 (Xhigh): 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-5-1-codex/grok-4-6-xhigh · Markdown: /api/v1/compare/gpt-5-1-codex/grok-4-6-xhigh?format=md · llms.txt · agent skill