I have also built similar thing. https://github.com/ashellunts/youtube-summarizer

From time to time, it is useful for me.

https://youtube-summarizer.ashellunts.repl.co

You have a typo ("wihthout") in both prompts, which are both (apparently) handled correctly by OpenAI - too lazy to send a PR :)

I got an internal server error. Looks like your site was also hugged to death? Will try later.

It may be due to not supported url format.

It works by taking video subtitles and processing them with OpenAI API.

German/Russian language videos are supported by translating them to English.

I can't believe it, so huge amount of revenue. Is there a similar thing (selling things in a stream) in western countries?

When pasting SDP back to browser, make sure text box is empty. It has an annoying space there that can mess things up.

Thank you, will try.