Java · Teaching project

Mini GPT

A character-level GPT written from scratch in plain Java, with no ML library at all: counting bigrams first, then backpropagation derived by hand, then a small transformer. The course is in Portuguese, with the maths on screen and four demos that run in the browser.

Start the course Source

GitHub stars: 2

Public numbers from GitHub and PyPI, as of 2026-10-20. The site is rebuilt daily.

Install

Build

mvn -q package -DskipTests

Run

java -jar target/mini-gpt-java.jar train --model bigram

What comes next

From the product's own docs/ROADMAP.md at 03e8bf9.

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