I find dictation slower than typing. the number of mistakes it makes means I essentially have to delete half of the message and retype it manually. which takes longer than typing in the first place

I've tried voice to text in various forms over the years. I agree that it has come a long way but still hasn't nearly matched my thinking or typing speed. The best implementation I have seen is in the Descript paid app. I also occasionally record voice memos with Google Recorder but find the transcripts are only good for jumping to a specific point in the audio, not for an error-free text document.

That's what I do now. I'll start typing and then realize "you know, I should just dictate this" and it's way easier. It's still far from perfect, and the interface to fix mistakes isn't great. But compared to typing it all out, it's still way faster.