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RLHF in 2026: when to pick PPO, DPO, or verifier-based RL

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9 Sept
How LLMs Learned to Reason: SFT --> RLHF --> RLVR

<h2> 1. The Starting Line: The Last Non-Reasoning Flagships </h2> <p>GPT-4.5, DeepSeek-V3, and Claude 3.5 Sonnet share something that has nothing to do with benchmark scores: they

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