
Zyphra, Cohere, and Poolside are expanding the open AI model ecosystem by releasing diverse models, with contributions from organizations worldwide. These models are categorized into "Pure" model makers, Big Tech, and product companies, each with different motivations and approaches. The open model landscape is becoming more varied, and the diversity of contributors strengthens the ecosystem. Open models are not driven by a single motivation, and their proliferation is seen as a strength, though attempts to restrict them are unlikely to succeed.
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.
