Definition
Operating expenses not directly tied to production.
Examples
Opex increased after hiring sales.
Origin
Modern business/startup term; used as practical shorthand in product, growth, and investing.
Use it in Nautis
Track opex alongside everything else in your startup.
Nautis brings planning, fundraising, finance, and operations into one AI-native workspace — so concepts like opex stop being spreadsheet trivia and start showing up where decisions get made.