[mgaunard]

In computer vision, you use Python for prototyping and research. It of course gets rewritten if it's to be actually used, think for example of the guidance system in a car, plane, or weapon.

It's pretty much the same for AI, except that there is an increasing trend in AI of it being used by people that do not have the skills to do the productionization.

[kobzol]

I agree that in most cases it should be rewritten for production, but in my experience that quite often doesn't happen, and AI stays in Python even for production usages.