Claude Opus 5.5 (High, Default Fallback) vs Kimi K2 0905

Claude Opus 5.5 (High, Default Fallback) vs Kimi K2 0905. 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 (High, Default Fallback)On the frontier
Intelligence
53.60
Total cost
$2172
KimiKimi K2 0905Not ranked · benchmark data missing
Intelligence
15.30
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 Opus 5.5 (High, Default Fallback)Kimi K2 0905Difference
Intelligence (higher is better)53.615.3−71.5% Kimi K2 0905 is 71.5% less intelligent
Total AA cost (lower is better)$2,172.43Not reported— not comparable
End-to-end time (lower is better)33.81s11.75s−65.2% Kimi K2 0905 is 65.2% 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 (High, Default Fallback): what beats itKimi K2 0905: 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-opus-5-5-high/kimi-k2-0905 · Markdown: /api/v1/compare/claude-opus-5-5-high/kimi-k2-0905?format=md · llms.txt · agent skill