Researchers provide the first formal analysis of in-context search—where language models iteratively critique and revise their own solutions—modeling it as a Bayesian inference problem. The theory reveals that when AI self-reflection reliably catches early mistakes, models can solve nearly-impossible problems with exponential efficiency gains, but this benefit vanishes if reflection quality degrades.
Why it matters: As reasoning-capable LLMs become central to AI development, understanding when and why iterative self-correction actually works informs both model training strategies and realistic deployment expectations.