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When did AI take over Hacker News?


One in three posts in the Hacker News top 10 in August 2025 are related to AI. Can we pinpoint when this trend started?

To help with this, I discovered that the Hacker News Big Query dataset is pretty well maintained and includes the title, URL, score, and comments of every post ever made. After I downloaded all the Jina reader pages, I used the OpenAI Batch API to process structured outputs classifications of each Hacker News story. TL;DR: Hacker News didn’t buy into AI with ChatGPT or any consumer product, it spiked when GPT-4 was unlocked as a tool for developers.

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