GrapheneOS is the open source android OS on pixel hardware without any google binary blobs.
The advantage of using it is Google develops and optimizes the OS so it works on their hardware. The GrapheneOS project compiles the source code, hardens some parts, and boom
What is incredible about this product is that I can speak normally and fluently as I normally do.
The need to look at the output as you speak is only necessary if you expect there to be errors. FUTO, amazingly, performs extremely well in this regard and I have a high confidence in not being able to trip it up. I don't feel that I need to look down at a live transcription.
This whole comment was written using FUTO voice input. I'm definitely going to donate to them.