How LLMs Self-Correct Mid-Generation: The Role of Reasoning RL and Instructions
dejanseo · x · 2026-08-26
The post explores how LLMs achieve mid-generation self-correction. The author notes that since LLMs can only append tokens without backspacing, fixes often resemble spoken self-interruptions. This ability typically stems from two factors: reasoning-style RL post-training that rewards backtracking, and system instructions explicitly containing a "Corrections" section that authorizes fixing earlier statements within the same turn.
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