GPT-5.1 (High) vs Grok 4.5 (High)

GPT-5.1 (High) vs Grok 4.5 (High). 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 (High)Not ranked · benchmark data missing
Intelligence
24.70
Total cost
-
SpaceXAIGrok 4.5 (High)Off the frontier
Intelligence
38.80
Total cost
$1244
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 (High)Grok 4.5 (High)Difference
Intelligence (higher is better)24.738.8+57.1% Grok 4.5 (High) is 57.1% more intelligent
Total AA cost (lower is better)Not reported$1,243.85— not comparable
End-to-end time (lower is better)28.58s19.24s−32.7% Grok 4.5 (High) is 32.7% faster
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 (High): what beats itGrok 4.5 (High): what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1/grok-4-5 · Markdown: /api/v1/compare/gpt-5-1/grok-4-5?format=md · llms.txt · agent skill