Grok 4.3 (High) vs o3

Grok 4.3 (High) 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 4.3 (High)Off the frontier
Intelligence
24.90
Total cost
$363
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 4.3 (High)o3Difference
Intelligence (higher is better)24.920.2−18.9% o3 is 18.9% less intelligent
Total AA cost (lower is better)$363.24Not reported— not comparable
End-to-end time (lower is better)24.88s11.00s−55.8% o3 is 55.8% faster
Price per 1M tokens (in / out)$1.25 / $2.50$2.00 / $8.00
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGrok 4.3 (High): 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-4-3/o3 · Markdown: /api/v1/compare/grok-4-3/o3?format=md · llms.txt · agent skill