Claude 2.1 vs Claude Opus 4.6 (Max)

Claude 2.1 vs Claude Opus 4.6 (Max). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude 2.1Not ranked · benchmark data missing
Intelligence
5.60
Total cost
-
AnthropicClaude Opus 4.6 (Max)Not ranked · benchmark data missing
Intelligence
31.90
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 2.1Claude Opus 4.6 (Max)Difference
Intelligence (higher is better)5.631.9+469.6% Claude Opus 4.6 (Max) is 5.7× more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)Not reported28.81s— not comparable
Price per 1M tokens (in / out)—$5.00 / $25.0
Input modalitiesTextText, Image
Open this matchup in the interactive pickerClaude 2.1: what beats itClaude Opus 4.6 (Max): what beats it
Matchup

Compare something else

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