Reward Modeling for LLMs: Training, Scaling, and Failure Modes

Part 3 of my Architecting Reinforcement Learning for LLMs series is live. It covers preference data, reward-model architecture and loss, scaling, and reward hacking—with a worked gradient example. Does a higher reward score actually mean better answers? https://pawankjha.substack.com/p/architecting…

Read the full story at r/learnmachinelearning ↗

Timeline · 1 report

1. 2026-10-10 02:43 · r/learnmachinelearning
   Reward Modeling for LLMs: Training, Scaling, and Failure Modes