LLMs lack 'idempotency': rechecking their own large codebases yields contradictions
StephanSturges · x · 2026-10-07
AradhyeAgarwal observes that if you ask Claude or GPT to write or audit a large codebase and then recheck it, the model will almost certainly contradict itself. He argues "idempotency" is a crucial property of any system — one today's LLMs lack — and suggests turning this failure mode into a benchmark for measuring model self-consistency.
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