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

GPT-5.6 Luna (Medium) 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 (Medium)Off the frontier
Intelligence
25.00
Total cost
$44.3
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 (Medium)gpt-oss-120b (Low)Difference
Intelligence (higher is better)25.010.2−59.2% gpt-oss-120b (Low) is 59.2% less intelligent
Total AA cost (lower is better)$44.32Not reported— not comparable
End-to-end time (lower is better)6.50s10.13s+55.8% gpt-oss-120b (Low) is 55.8% slower
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 (Medium): 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-medium/gpt-oss-120b-low · Markdown: /api/v1/compare/gpt-5-6-luna-medium/gpt-oss-120b-low?format=md · llms.txt · agent skill