Feels very different to me. The dominant ones are run by Google, Apple, and Amazon, and the voice assistants are mostly add-on features that don't by themselves generate much (if any) revenue (well, aside from the news that Amazon wants to start charging for a more advanced Alexa). The business model there is more like "we need this to drive people to our other products where they will spend money; if we don't others will do it for their products and we'll fall behind".

Sure, these companies are also working on AI, but there are also a bunch of others (OpenAI, Anthropic, SSI, xAI, etc.) that are banking on AI as their actual flagship product that people and businesses will pay them to use.

Meanwhile we have "indie" voice assistants like Mycroft that fail to find a sustainable business model and/or fail to gain traction and end up shutting down, at least as a business.

I'm not sure where this is going, though. Sure, some of these AI companies will get snapped up by bigger corps. I really hope, though, that there's room for sustainable, independent businesses. I don't want Google or Apple or Amazon or Microsoft to "own" AI.