GPT-6 Sol (High) vs Grok 4.20 0309 v2 (Reasoning)

GPT-6 Sol (High) vs Grok 4.20 0309 v2 (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-6 Sol (High)Off the frontier
Intelligence
42.40
Total cost
$605
SpaceXAIGrok 4.20 0309 v2 (Reasoning)Not ranked · benchmark data missing
Intelligence
25.70
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 Sol (High)Grok 4.20 0309 v2 (Reasoning)Difference
Intelligence (higher is better)42.425.7−39.4% Grok 4.20 0309 v2 (Re… is 39.4% less intelligent
Total AA cost (lower is better)$604.52Not reported— not comparable
End-to-end time (lower is better)15.56s20.14s+29.4% Grok 4.20 0309 v2 (Re… is 29.4% slower
Price per 1M tokens (in / out)$2.00 / $10.0$1.25 / $2.50
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-6 Sol (High): what beats itGrok 4.20 0309 v2 (Reasoning): 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-sol-high/grok-4-20 · Markdown: /api/v1/compare/gpt-6-sol-high/grok-4-20?format=md · llms.txt · agent skill