GPT-4 vs Grok 4 Fast (Reasoning)

GPT-4 vs Grok 4 Fast (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-4Not ranked · benchmark data missing
Intelligence
6.70
Total cost
-
SpaceXAIGrok 4 Fast (Reasoning)Not ranked · benchmark data missing
Intelligence
17.90
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-4Grok 4 Fast (Reasoning)Difference
Intelligence (higher is better)6.717.9+167.2% Grok 4 Fast (Reasonin… is 2.7× more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)Not reportedNot reported— not comparable
Price per 1M tokens (in / out)$30.0 / $60.0$0.20 / $0.50
Input modalitiesTextText, Image
Open this matchup in the interactive pickerGPT-4: what beats itGrok 4 Fast (Reasoning): what beats it
Matchup

Compare something else

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