GPT-6 Luna (Xhigh) vs Grok 4.3 (Low)

GPT-6 Luna (Xhigh) vs Grok 4.3 (Low). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-6 Luna (Xhigh)On the frontier
Intelligence
34.60
Total cost
$66.8
SpaceXAIGrok 4.3 (Low)Not ranked · benchmark data missing
Intelligence
24.30
Total cost
-
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-6 Luna (Xhigh)Grok 4.3 (Low)Difference
Intelligence (higher is better)34.624.3−29.8% Grok 4.3 (Low) is 29.8% less intelligent
Total AA cost (lower is better)$66.81Not reported— not comparable
End-to-end time (lower is better)28.32s12.88s−54.5% Grok 4.3 (Low) is 54.5% faster
Price per 1M tokens (in / out)$0.10 / $0.50$1.25 / $2.50
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-6 Luna (Xhigh): what beats itGrok 4.3 (Low): 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-6-luna-xhigh/grok-4-3-low · Markdown: /api/v1/compare/gpt-6-luna-xhigh/grok-4-3-low?format=md · llms.txt · agent skill