microgpt.py (Karpathy) — Part 2: shapes at every step + a tiny forward pass

microgpt.py (Karpathy) — Part 2: shapes at every step + a tiny forward pass

This is a continuation of: Part 1: https://emino.app/posts/microgpt-karpathy-line-by-line/ Part 1 explained the script as a story. This Part 2 makes it …

February 15, 2026 · 4 min · Emin Henri Mahrt

microgpt.py explained in plain English (line by line)

microgpt.py explained in plain English (line by line) This post rewrites the code line by line into plain English. The original code is by Andrej Karpathy (gist …

February 15, 2026 · 22 min · Emin Henri Mahrt
microgpt.py (Karpathy) — the code in plain English, line by line

microgpt.py (Karpathy) — the code in plain English, line by line

This post contains two things: The original microgpt.py code (as-is) A plain-English explanation for every line, in the same order, so a non-programmer can …

February 15, 2026 · 11 min · Emin Henri Mahrt