[P] Built GPT-2, Llama 3, and DeepSeek from scratch in PyTorch - open source code + book

A new book and open-source code are released, detailing how to build modern LLM architectures like GPT-2, Llama 3, and DeepSeek from scratch in PyTorch. It explains the architectural changes required to transform GPT-2 into Llama 3 and implements DeepSeek's advanced features.