Natolambert finishes a RLHF book built from years of fine-tuning and post-training work
Jeande_d · x · 2026-07-21
Natolambert says their book, Reinforcement Learning from Human Feedback, is finished.
- The book is meant to be the guide they wished they had while learning to fine-tune, align, and now post-train models after ChatGPT.
- It was written over nights and weekends since 2024.
- The author says they are trying to transfer as much of the intuition from building Olmo into book form.
Related event: Nat Lambert Completes RLHF Book with 10+ Hour Course(11 posts)→
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