I know this doesn't directly address your bounty. But I thought maybe this would be a better alternative.

One of the challenges of working with OpenAI API is the rate limiting (3/minute in my case). Instead of consuming a call on every link post, this bot will just summarize where a user has asked for a tl;dr summary.

Still a WIP. Trying different ways to get the text from a website. Settled on python-readability and bs4.