What researchers are saying
Karpathy builds a 47,000-video site in one shot with Claude Code
Andrej Karpathy, co-founder of OpenAI
Karpathy said he turned a curated list of YouTube channels into TristanTube, a site with 47,000 videos and a television mode, in minutes with a coding agent.
In the Daily Brief of 9 November 2026
Andrej Karpathy described turning a curated list of YouTube channels into TristanTube, a site with 47,000 nerdy videos and a television mode, built in minutes using Claude Code.
He offered the project as evidence that frontier coding agents now make it practical to build personal tools that would previously have taken weeks of work. The time estimates are his own.