[m3at]

Yeah langchain is not necessary for this. The author appear not to have shared his code yet (too bad, the visualizations are nice!), but as a poor replacement I can share mine from over a year ago:

https://github.com/m3at/hn_jobs_gpt_etl

Only using the plain OpenAI api. This was on GPT-3.5, but it should be easy to move to 4o and make use of the json mode. I might try a quick update this weekend