Wouldn't the expensive part of this be the LLM summary, not the video transcription? I can do transcription pretty easily with my low end graphics card and a fa

Wouldn't the expensive part of this be the LLM summary, not the video transcription? I can do transcription pretty easily with my low end graphics card and a fast version of whisper. I was wondering though, if this uses the YouTube transcript if available, and falls back to do the transcription itself if not.