# Andrej Karpathy built a curated video platform in a weekend using Claude and 20 years of Hacker News > Source: > Published: 2026-11-08 14:23:00+00:00 # Andrej Karpathy built a curated video platform in a weekend using Claude and 20 years of Hacker News By Matthias BastianSource: [The Decoder](https://the-decoder.com) [OpenAI](https://www.machinebrief.com/glossary/openai) co-founder Andrej Karpathy used [Claude](https://www.machinebrief.com/glossary/claude)'s Opus 5.5 to filter 43 million Hacker News comments into 6,454 curated videos. The result beats YouTube's own recommendations, he says. The article [Andrej Karpathy built a curated video platform in a weekend using Claude and 20 years of Hacker News](https://the-decoder.com/andrej-karpathy-built-a-curated-video-platform-in-a-weekend-using-claude-and-20-years-of-hacker-news/) appeared first on [The Decoder](https://the-decoder.com). Get AI news in your inbox Daily digest of what matters in AI.