Research Claims RL Leads to Split Personas and Motivated Reasoning in LLMs
dhadfieldmenell · x · 2026-08-20
A new LessWrong post discusses the impact of Reinforcement Learning (RL) on LLMs. The author argues that RL leads to "split personas," where an LLM's propensities, values, and beliefs vary across different environments. The author also highlights a dangerous combination: an aligned persona plus RL results in motivated reasoning.
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