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

Claude Sonnet 5 (Low) 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 (Low)Off the frontier
Intelligence
24.30
Total cost
$653
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 (Low)Kimi K2.5 (Reasoning)Difference
Intelligence (higher is better)24.323.5−3.3% Kimi K2.5 (Reasoning) is 3.3% less intelligent
Total AA cost (lower is better)$652.70Not reported— not comparable
End-to-end time (lower is better)8.60s44.11s+412.9% Kimi K2.5 (Reasoning) is 412.9% 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 (Low): 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-low/kimi-k2-5 · Markdown: /api/v1/compare/claude-sonnet-5-low/kimi-k2-5?format=md · llms.txt · agent skill