Claude 2.1 vs Claude Sonnet 4.6 (Non-reasoning, High)

Claude 2.1 vs Claude Sonnet 4.6 (Non-reasoning, High). 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 2.1Claude Sonnet 4.6 (Non-reasoning, High)Difference
Intelligence (higher is better)5.624.7+341.1% Claude Sonnet 4.6 (No… is 4.4× more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)Not reported11.96s— not comparable
Price per 1M tokens (in / out)—$3.00 / $15.0
Input modalitiesTextText, Image
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-21/claude-sonnet-4-6 · Markdown: /api/v1/compare/claude-21/claude-sonnet-4-6?format=md · llms.txt · agent skill