https://hellogxp.github.io/tags/logit-lens/Recent content in Logit-Lens on Xueping's BlogHugoen-usSat, 06 Jun 2026 00:00:00 +0000https://hellogxp.github.io/posts/late-crystallization/Sat, 06 Jun 2026 00:00:00 +0000https://hellogxp.github.io/posts/late-crystallization/85.9% of correct answers never appear in any intermediate layer prediction. We discovered that factual knowledge in LLMs undergoes a sudden phase transition—crystallizing only at the final layer. This phenomenon explains why some interventions work and others don’t.