What puzzles me is why by and large these models rely on text as input and output. A reliable voice input ai could convert queries to text internally and send t

What puzzles me is why by and large these models rely on text as input and output. A reliable voice input ai could convert queries to text internally and send them over to gpt, the convert the output. Optionally we can have tie it into system commands. Like siri or alexa, but actually useful.