Best of 2025

The blog posts Hacker News loved most in 2025. 674 posts.

AI & Machine Learning
547

Absolute Zero Reasoner

Current reasoning models trained with Reinforcement Learning with Verifiable Rewards (RLVR) often rely on manually curated datasets, raising scalability concerns and potentially limiting future AI growth beyond human-defined tasks. To address this, we propose the Absolute Zero paradigm, where a single model…

562

Reality Check

Like this newsletter? Why not listen to the podcast version on Better Offline? Part 1 is out now (here're other links), and Part 2 comes out Friday May 2nd! I'm sick and god-damn tired of this! I have written tens of thousands of words about this and