GPT-5.5 (Xhigh) vs K2-V2 (High)

GPT-5.5 (Xhigh) vs K2-V2 (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5.5 (Xhigh)Off the frontier
Intelligence
38.40
Total cost
$5294
Institute of Foundation ModelsK2-V2 (High)Not ranked · benchmark data missing
Intelligence
9.90
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-5.5 (Xhigh)K2-V2 (High)Difference
Intelligence (higher is better)38.49.9−74.2% K2-V2 (High) is 74.2% less intelligent
Total AA cost (lower is better)$5,294.36Not reported— not comparable
End-to-end time (lower is better)44.96sNot reported— not comparable
Price per 1M tokens (in / out)$5.00 / $30.0—
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.5 (Xhigh): what beats itK2-V2 (High): what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-5/k2-v2 · Markdown: /api/v1/compare/gpt-5-5/k2-v2?format=md · llms.txt · agent skill