GPT-5.6 Luna (Xhigh) vs Kimi K2 Thinking

GPT-5.6 Luna (Xhigh) 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.

OpenAIGPT-5.6 Luna (Xhigh)Off the frontier
Intelligence
34.60
Total cost
$179
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.

MetricGPT-5.6 Luna (Xhigh)Kimi K2 ThinkingDifference
Intelligence (higher is better)34.622.0−36.4% Kimi K2 Thinking is 36.4% less intelligent
Total AA cost (lower is better)$179.33Not reported— not comparable
End-to-end time (lower is better)35.85s22.48s−37.3% Kimi K2 Thinking is 37.3% faster
Price per 1M tokens (in / out)$0.20 / $1.20$0.60 / $2.50
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.6 Luna (Xhigh): 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/gpt-5-6-luna-xhigh/kimi-k2-thinking · Markdown: /api/v1/compare/gpt-5-6-luna-xhigh/kimi-k2-thinking?format=md · llms.txt · agent skill