Grok 4.20 0309 v2 (Reasoning) vs Step 3.5 Flash 2603

Grok 4.20 0309 v2 (Reasoning) 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.

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 4.20 0309 v2 (Reasoning)Step 3.5 Flash 2603Difference
Intelligence (higher is better)25.717.0−33.9% Step 3.5 Flash 2603 is 33.9% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)18.86s21.03s+11.5% Step 3.5 Flash 2603 is 11.5% slower
Price per 1M tokens (in / out)$1.25 / $2.50$0.10 / $0.30
Input modalitiesText, ImageText
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/grok-4-20/step-3-5-flash · Markdown: /api/v1/compare/grok-4-20/step-3-5-flash?format=md · llms.txt · agent skill