Creators cited with this
DesignCourseYouTube, 1.2M followers“And then there's also Grok. Grok has a real-time API as well.”
Watch the video at 1:11
Creators who use this also use

Omma
also used by 1 of them
OpenAI Image 2.0
also used by 1 of them

OpenAI Realtime API (GPT-2 realtime voice)
also used by 1 of them

Opus
also used by 1 of them

Runway ML
also used by 1 of them

Sonnet 5
also used by 1 of them