Grok 4 Fast (Non-reasoning) vs o3

Grok 4 Fast (Non-reasoning) vs o3. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

SpaceXAIGrok 4 Fast (Non-reasoning)Not ranked · benchmark data missing
Intelligence
11.10
Total cost
-
OpenAIo3Not ranked · benchmark data missing
Intelligence
20.20
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.

MetricGrok 4 Fast (Non-reasoning)o3Difference
Intelligence (higher is better)11.120.2+82.0% o3 is 82.0% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)Not reported11.00s— not comparable
Price per 1M tokens (in / out)$0.20 / $0.50$2.00 / $8.00
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGrok 4 Fast (Non-reasoning): what beats ito3: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/grok-4-fast/o3 · Markdown: /api/v1/compare/grok-4-fast/o3?format=md · llms.txt · agent skill