GPT-5.6 Luna (Xhigh) vs gpt-oss-120b (Low)

GPT-5.6 Luna (Xhigh) vs gpt-oss-120b (Low). 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
OpenAIgpt-oss-120b (Low)Not ranked · benchmark data missing
Intelligence
10.20
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)gpt-oss-120b (Low)Difference
Intelligence (higher is better)34.610.2−70.5% gpt-oss-120b (Low) is 70.5% less intelligent
Total AA cost (lower is better)$179.33Not reported— not comparable
End-to-end time (lower is better)39.18s9.98s−74.5% gpt-oss-120b (Low) is 74.5% faster
Price per 1M tokens (in / out)$0.20 / $1.20$0.13 / $0.59
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.6 Luna (Xhigh): what beats itgpt-oss-120b (Low): 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/gpt-oss-120b-low · Markdown: /api/v1/compare/gpt-5-6-luna-xhigh/gpt-oss-120b-low?format=md · llms.txt · agent skill