Claude Sonnet 5 (High) vs Kimi K2.5 (Reasoning)

Claude Sonnet 5 (High) vs Kimi K2.5 (Reasoning). 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 (High)Off the frontier
Intelligence
31.70
Total cost
$2086
KimiKimi K2.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
23.50
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 (High)Kimi K2.5 (Reasoning)Difference
Intelligence (higher is better)31.723.5−25.9% Kimi K2.5 (Reasoning) is 25.9% less intelligent
Total AA cost (lower is better)$2,086.04Not reported— not comparable
End-to-end time (lower is better)15.10s44.11s+192.1% Kimi K2.5 (Reasoning) is 192.1% slower
Price per 1M tokens (in / out)$2.00 / $10.0$0.60 / $3.00
Input modalitiesText, ImageText, Image, Video
Open this matchup in the interactive pickerClaude Sonnet 5 (High): what beats itKimi K2.5 (Reasoning): 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-high/kimi-k2-5 · Markdown: /api/v1/compare/claude-sonnet-5-high/kimi-k2-5?format=md · llms.txt · agent skill