Tesla uses beta in reference to its ADAS software - that’s where you have heard the term most frequently mentioned by an automotive company in the media. Faraday Future must be publicly referencing an old automotive industry term on its beta vehicles because they are trying to be transparent regarding the stage of…

Beta is a term used in the auto industry to refer to a “pre-production” phase. It’s for working out the kinks, crash testing, etc... That’s quite different from a prototype.