GPT-6.1 Sol (Max) vs Grok 4.20 0309 v2 (Reasoning)

GPT-6.1 Sol (Max) 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-6.1 Sol (Max)On the frontier
Intelligence
51.80
Total cost
$1082
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-6.1 Sol (Max)Grok 4.20 0309 v2 (Reasoning)Difference
Intelligence (higher is better)51.825.7−50.4% Grok 4.20 0309 v2 (Re… is 50.4% less intelligent
Total AA cost (lower is better)$1,081.55Not reported— not comparable
End-to-end time (lower is better)220.48s18.86s−91.4% Grok 4.20 0309 v2 (Re… is 91.4% faster
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-6.1 Sol (Max): 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-6-1-sol/grok-4-20 · Markdown: /api/v1/compare/gpt-6-1-sol/grok-4-20?format=md · llms.txt · agent skill