
Banning open source AI would be a mistake, as it fosters innovation, security, and economic growth, with over 90% of software built on open source. Open source models are essential for competition, transparency, and data privacy, offering a safer alternative to monopolistic AI. The US should support open source to avoid regulatory overreach and ensure technological progress.
Reflections on AI's writing ability and how AI models get more capable.

After a few long years of finding time to document my lessons from training open models, my post-training book is done!

Musings on model alignment, what determines safety, and where we go from here.
