GPT-5.5 (Medium) vs Kimi K2 0905

GPT-5.5 (Medium) 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.

OpenAIGPT-5.5 (Medium)Off the frontier
Intelligence
33.80
Total cost
$2095
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.

MetricGPT-5.5 (Medium)Kimi K2 0905Difference
Intelligence (higher is better)33.815.3−54.7% Kimi K2 0905 is 54.7% less intelligent
Total AA cost (lower is better)$2,095.12Not reported— not comparable
End-to-end time (lower is better)11.17s11.78s+5.5% Kimi K2 0905 is 5.5% slower
Price per 1M tokens (in / out)$5.00 / $30.0$0.60 / $2.50
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.5 (Medium): 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/gpt-5-5-medium/kimi-k2-0905 · Markdown: /api/v1/compare/gpt-5-5-medium/kimi-k2-0905?format=md · llms.txt · agent skill