I build language models from first principles, experiment with ML systems, and write about the engineering lessons along the way.https://aadit032.github.io/https://aadit032.github.io/portfolio/blog/litegpt-25m/https://aadit032.github.io/portfolio/blog/litegpt-25m/Architecture choices, tokenizer mistakes, training issues, and lessons from training LiteGPT on FineWeb and TinyStories.Sat, 04 Jul 2026 00:00:00 GMT