Andrej Karpathy builds HackerTube in a weekend using Claude Opus 5.5

Karpathy used Claude Opus 5.5 to filter 43 million Hacker News comments into 6,454 curated videos, claiming a viewing experience better than YouTube’s recommendations. He also created TristanTube with 47,000 videos in three minutes using Claude Code, requiring only a cloud API key, a rented server, and a domain purchase.

Why it matters

Leverage Claude Opus 5.5 to generate curated video feeds from large text corpora; rapid pipelines can accelerate new media product launches.

For product managers

For your product

What does this mean for your product?

Try it on your product

Read at The Decoder

More from this issueAll AI news from 9 Nov →

Apple pushes Siri upgrades for iOS 27.3 and Spring third‑party integration

Google launches Elephant‑Goldfish plugin for spec‑first coding with five zero‑context reviewsAvailable now

Brava Security raises $15M, launches multi-agent AI platform

Open‑weight DeepSeek V4.1 Flash achieves 72.8% cyber‑attack success at one‑tenth costResearch

Get this every morning, written for your product.

Deltaday reads the whole AI news cycle and tells you what changed, whether it's real yet, and what to do about it.

Start free See how it works