Claude Sonnet 5.5 (Max, Default Fallback) vs Kimi K2 Thinking

Claude Sonnet 5.5 (Max, Default Fallback) vs Kimi K2 Thinking. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Sonnet 5.5 (Max, Default Fallback)Off the frontier
Intelligence
56.00
Total cost
$7260
KimiKimi K2 ThinkingNot ranked · benchmark data missing
Intelligence
22.00
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 Sonnet 5.5 (Max, Default Fallback)Kimi K2 ThinkingDifference
Intelligence (higher is better)56.022.0−60.7% Kimi K2 Thinking is 60.7% less intelligent
Total AA cost (lower is better)$7,259.50Not reported— not comparable
End-to-end time (lower is better)367.63s22.49s−93.9% Kimi K2 Thinking is 93.9% faster
Price per 1M tokens (in / out)$2.00 / $10.0$0.60 / $2.50
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Sonnet 5.5 (Max, Default Fallback): what beats itKimi K2 Thinking: 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-sonnet-5-5/kimi-k2-thinking · Markdown: /api/v1/compare/claude-sonnet-5-5/kimi-k2-thinking?format=md · llms.txt · agent skill