neural networks

The foundational textbook of modern deep learning, written by three of the field's most influential researchers. Rigorous, comprehensive, and free online — the reference every serious ML practitioner should have read at least once.

A crisp 1-hour introduction to LLMs for a general technical audience. Karpathy covers what language models are, how they work at a high level, the emerging 'System 2' reasoning capabilities, and the security challenges they introduce — without requiring a machine learning background.