Andrej Karpathy Built HackerTube, a YouTube Recommendation Alternative, with Claude Code
AI researcher Andrej Karpathy says he built HackerTube in two hours using Claude Code and Opus 5.5, creating a personalized video catalog based on Hacker News comments.
AI researcher Andrej Karpathy built HackerTube, an alternative to YouTube recommendations, in about two hours using Claude Code and Opus 5.5.
The project collects videos based on Hacker News comments from nearly 20 years of discussions. It currently presents a catalog of 6,454 videos organized into 150 topics, with personalized recommendations.
Karpathy described the approach in his own article.
Why it matters
AnalysisThe project shows how AI-assisted coding can quickly turn public data into personalized discovery tools.
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