Claude 4.5 Sonnet (Reasoning) vs Grok 4.3 (Low)

Claude 4.5 Sonnet (Reasoning) vs Grok 4.3 (Low). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude 4.5 Sonnet (Reasoning)Off the frontier
Intelligence
20.70
Total cost
$1501
SpaceXAIGrok 4.3 (Low)Not ranked · benchmark data missing
Intelligence
24.30
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.

MetricClaude 4.5 Sonnet (Reasoning)Grok 4.3 (Low)Difference
Intelligence (higher is better)20.724.3+17.4% Grok 4.3 (Low) is 17.4% more intelligent
Total AA cost (lower is better)$1,501.22Not reported— not comparable
End-to-end time (lower is better)21.53s13.23s−38.6% Grok 4.3 (Low) is 38.6% faster
Price per 1M tokens (in / out)$3.00 / $15.0$1.25 / $2.50
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude 4.5 Sonnet (Reasoning): what beats itGrok 4.3 (Low): what beats it
Matchup

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