Depends on how it's put into production, but you can deploy a model as a RESTful API that has a defined interface and a defined output. What it does underneath

Depends on how it's put into production, but you can deploy a model as a RESTful API that has a defined interface and a defined output. What it does underneath is less important to you I guess. So for all intents and purposes, yes, a model in production is something you feed a predefined set of data points and it gives you a predefined format of output.