Writing

• The Reward Horizon Problem

  May 31, 2026

  When we train models, we use rewards observed at short horizons. When we use models, we care about objectives realized at longer horizons

  

• StoriesLM-v2: A Family of Language Models With Time-Indexed Training Data

  May 11, 2026

  StoriesLM-v2 is a family of 125 encoder-only language models trained on an expanding sequence of historical language data.