> This equates to approximately $0.06 per minute of audio input and $0.24 per minute of audio output.
https://openai.com/index/introducing-the-realtime-api/
About the nextjs site, I was thinking maybe its difficult to have supabase hold long connections, or route the response? I'm curious too.
The long connections are ultimately handled by Deno Edge so the site isn't used there. The NextJS frontend (which also could be an iOS/Android app) helps provide an interface to select character, create AI characters, set ESP32 volume, and view conversation history.