Claude Opus 5 (Low) vs Grok 4.20 0309 v2 (Reasoning)

Claude Opus 5 (Low) vs Grok 4.20 0309 v2 (Reasoning). 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.

MetricClaude Opus 5 (Low)Grok 4.20 0309 v2 (Reasoning)Difference
Intelligence (higher is better)39.425.7−34.8% Grok 4.20 0309 v2 (Re… is 34.8% less intelligent
Total AA cost (lower is better)$1,560.91Not reported— not comparable
End-to-end time (lower is better)11.37s20.14s+77.1% Grok 4.20 0309 v2 (Re… is 77.1% slower
Price per 1M tokens (in / out)$5.00 / $25.0$1.25 / $2.50
Input modalitiesText, ImageText, Image
Matchup

Compare something else

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