diff-learning

± diff-learning build a GPT from an empty file, one diff at a time

Lesson Playground

Layout

Lesson list[ Lab] Focus mode (just the lesson)\

Reading

Text size

Page width

Code

Code size

Context lines

Diff layout

Highlight changed words Wrap long lines

The diff

compare with

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Playground

start from

Your edits are saved in this browser. Add # @param {"min": 0, "max": 1} to any assignment to get a knob in the lab. Print lines like step 3 | loss 2.1 to chart them.

context words wrap text size

Lab

Python loads on first run

drag to zoom

metric smooth log y

Run the code to see its training curve. Runs stay on the chart so you can compare them.

Keyboard shortcuts

[: show / hide the lesson list
]: show / hide the lab
\: focus mode: just the lesson
j k: next / previous lesson
Ctrl Enter: run / stop (also in the editor)
Esc: leave focus mode, close panels
?: this list