How do machines learn to walk, drive cars or chat like humans? These advances rely on a range of artificial intelligence techniques, including reinforcement learning, a branch of AI inspired by the ...

Subtitled "LLM alignment and post-training", this book looks at how modern AI models can be adapted to better match the needs and expectations of their users. Rather than surveying the vast field of ...

Reinforcement learning (RL) is a machine learning training method that trains software to make certain desired actions. Reinforcement learning is based on rewarding desired behaviors and punishing ...

Reinforcement learning from human feedback (RLHF) is a machine learning (ML) approach that combines reinforcement learning techniques, such as rewards and comparisons, with human guidance to train an ...