https://sparsenotes.com/tags/safety/ Recent content in safety on Sparse Notes https://sparsenotes.com/images/og-default.png https://sparsenotes.com/images/og-default.png Hugo -- gohugo.io Sat, 15 Aug 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/08/papers/synthetic-persona-pretraining-alignment-token-zero/ Sat, 15 Aug 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/08/papers/synthetic-persona-pretraining-alignment-token-zero/ Annotating 10% of the pretraining corpus with first-person value reflections installs the assistant persona from step zero — and the alignment advantage over post-training-only grows with compute.