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

Claude Opus 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 Opus 5.5 (Max, Default Fallback)On the frontier
Intelligence
57.60
Total cost
$8708
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 Opus 5.5 (Max, Default Fallback)Kimi K2 ThinkingDifference
Intelligence (higher is better)57.622.0−61.8% Kimi K2 Thinking is 61.8% less intelligent
Total AA cost (lower is better)$8,708.20Not reported— not comparable
End-to-end time (lower is better)609.14s22.40s−96.3% Kimi K2 Thinking is 96.3% faster
Price per 1M tokens (in / out)$4.00 / $20.0$0.60 / $2.50
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 5.5 (Max, Default Fallback): what beats itKimi K2 Thinking: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5/kimi-k2-thinking · Markdown: /api/v1/compare/claude-opus-5-5/kimi-k2-thinking?format=md · llms.txt · agent skill