Andrej Karpathy

Completely Free

From-scratch neural network lessons by a former Tesla AI director.

Editorial note

"Neural Networks: Zero to Hero" is the best free intro to how LLMs actually work.

Details

Metadata is curated manually; anything we could not verify is left out rather than guessed.

deep-learningfrom-scratchllms

Self-hosted chat interface for local and remote language models.

Visual mathematics explainers, including a clear neural-network series.

Fast, dense overviews of web technologies and developer news.

Full-length free course videos across programming and data topics.

Approachable networking, Linux and self-hosting walkthroughs.

Study technique and productivity videos aimed at students and professionals.