Nathan Lambert says his RLHF book is finished after a year of nights and weekends

alexisjross · x · 2026-07-21

Nathan Lambert says his book Reinforcement Learning from Human Feedback is finished.

He describes it as the book he wished he had while learning to fine-tune, align, and post-train models after ChatGPT, and says it was built from night-and-weekend study and documentation work since 2024.

Related event: Nat Lambert Completes RLHF Book with 10+ Hour Course(11 posts)→

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