ML/AI researcher and author; shares deep technical content on LLM architectures and data/compute scaling.
Turns out Claude Code was leaked on March 31, 2026. There are several snapshots of the TypeScript codebase on GitHub. I don’t want to link here for legal reasons, but there are some interesting educational tidbits that can be learned from skimming through the code. I summarized them here in a short post: https://sebastianraschka.com/blog/2026/claude-code-secret-sauce.html