Hardcore Build: Implementing a Transformer LLM from Scratch with Pure Math and Code

imdigitalashish · x · 2026-08-12

A developer shares a hardcore project where they built a ChatGPT-like Transformer large language model entirely from scratch. Without using any AI assistants or internet access, they relied purely on math formulas and hand-coding the logic during a flight.

Related event: Developer Builds Transformer from Scratch Without Internet or AI(2 posts)→

Original post →

More from Research

Research channel →