Grok 4.5 (High) vs Step 3.5 Flash 2603

Grok 4.5 (High) vs Step 3.5 Flash 2603. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

SpaceXAIGrok 4.5 (High)Off the frontier
Intelligence
38.80
Total cost
$1244
StepFunStep 3.5 Flash 2603Not ranked · benchmark data missing
Intelligence
17.00
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 4.5 (High)Step 3.5 Flash 2603Difference
Intelligence (higher is better)38.817.0−56.2% Step 3.5 Flash 2603 is 56.2% less intelligent
Total AA cost (lower is better)$1,243.85Not reported— not comparable
End-to-end time (lower is better)18.82s21.03s+11.7% Step 3.5 Flash 2603 is 11.7% slower
Price per 1M tokens (in / out)$2.00 / $6.00$0.10 / $0.30
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGrok 4.5 (High): what beats itStep 3.5 Flash 2603: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/grok-4-5/step-3-5-flash · Markdown: /api/v1/compare/grok-4-5/step-3-5-flash?format=md · llms.txt · agent skill