Mark Erdmann's Highlights on '(1) Keyon Vafa on X: "New paper: How can you tell if a transformer has the right world model? We trained a transformer to predict directions for NYC taxi rides. The model was good. It could find shortest paths between new points But had it built a map of NYC? We reconstructed its map and found this: https://t.co/5z6sglnRIQ" / X' | Glasp