'RAG ability is RLable' — the insight reshaping how models learn retrieval

inductionheads · x · 2026-10-31

A terse but resonant post argues that the insight that RAG ability is RL-trainable 'has changed literally everything' — retrieval and citation behavior can be optimized directly via RL rather than treated as fixed prompting. It aligns with recent multi-turn RL work like Gemini's psychiatric intake training.

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