GPT-5.1 Codex mini (High) vs Kimi K2 0905

GPT-5.1 Codex mini (High) 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-5.1 Codex mini (High)Not ranked · benchmark data missing
Intelligence
20.40
Total cost
-
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-5.1 Codex mini (High)Kimi K2 0905Difference
Intelligence (higher is better)20.415.3−25.0% Kimi K2 0905 is 25.0% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)10.10s11.75s+16.3% Kimi K2 0905 is 16.3% slower
Price per 1M tokens (in / out)$0.25 / $2.00$0.60 / $2.50
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.1 Codex mini (High): 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-5-1-codex-mini/kimi-k2-0905 · Markdown: /api/v1/compare/gpt-5-1-codex-mini/kimi-k2-0905?format=md · llms.txt · agent skill