It's interesting to me that the GPT-4 API itself supports streaming  text to the client as it is produced by the model. One could imagine a Siri competitor powered by GPT-4 (probably being built by OpenAI itself). https://warpcast.com/tomwinzig/0x2feec3

Building community software from scratch since 1995. Also @tomwinzig@mastodon.social until I have time to build an FC↔️Fediverse bridge. 😌

You can build one yourself, like this guy did 
https://youtu.be/IeizgjXoxVc
(Sorry for German, but I guess there a dozent english videos about it if your search)