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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/reinforcementlearning ↗

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  1. 2026-10-11 19:15 · r/reinforcementlearning
    Reward Modeling for LLMs: Training, Scaling, and Failure Modes

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