My recommendation engine for Hacker News
Hi! I’m Julien and I built a recommendation engine for Hacker News. I feel like this website is a gold mine. Every day, I find some very interesting stories about a topic. And sometimes, I want to find other stories covering that same topic but I can’t. Hacker News has years of history of awesome discussion and ressources. Unfortunately, I think HN Algolia isn’t helpful in searching these old threads. As a student, I want to learn a lot from this website. This is why I created HN Recommend. Input a sentence or the URL of an article, and get the most popular and similar posts from Hacker…
In plain words
HN Recommend is a search tool for Hacker News that helps users find related articles and discussions from the site's archive. Users input a sentence or article URL to discover popular and similar posts on the same topic. Built by indexing over 100,000 Hacker News articles using embeddings and Faiss, it addresses limitations in existing search methods. The tool is designed for students and researchers who want to explore Hacker News's historical discussions and resources more effectively.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi! I’m Julien and I built a recommendation engine for Hacker News. I feel like this website is a gold mine. Every day, I find some very interesting stories about a topic. And sometimes, I want to find other stories covering that same topic but I can’t. Hacker News has years of history of awesome discussion and ressources. Unfortunately, I think HN Algolia isn’t helpful in searching these old threads. As a student, I want to learn a lot from this website. This is why I created HN Recommend. Input a sentence or the URL of an article, and get the most popular and similar posts from Hacker News. About the technical details, I've computed the embeddings of over 100,000 articles from HN and indexed it using Faiss. I made a blog post for a deeper explanation. Source code: https://github.com/julien040/hn-recommendation-api Article: https://julienc.me/articles/Extract_embeddings_Hacker_News_a... Project: https://hn-recommend.julienc.me
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