Which is weird, because there are probably >10 open-source demos for every part of the STT->QA->TTS pipeline. And if you use external services or dedicated servers it shouldn’t even be that hard… D:

Edit: I wonder if I should convert my unfinished VR game to become his competitor, lol.

In the video takes ~45 seconds until the call starts. Also the responses are rather slow, are you using streaming?