MyGPT a toy LLM which can be trained on Project Gutenberg and dad jokes
My puny version of ChatGPT. This was based on the excellent LLM lecture series by Andrej Karpathy: https://www.youtube.com/watch?v=kCc8FmEb1nY The main points of differentiation are that my version is token-based (tiktoken) with code to load up multiple text files as a trining set. Plus, it has a minimal server which is a drop-in replacement for the OpenAI REST API. So you can train the default tiny 15M parameter model, and use that in your projects instead of ChatGPT. I trained it on 20Mb of Project Gutenberg encyclopaedias, then fine-tuned it on 120 dad jokes, to get a Q: A:…
MyGPT a toy LLM which can be trained on Project Gutenberg and dad jokes launched on September 26, 2023 with 25 votes, #1,361 of 4,228 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
MyGPT is a small language model trainer and server based on Andrej Karpathy's LLM lecture series. It allows users to train a 15-million-parameter model on custom text files from Project Gutenberg and other sources, then deploy it via a minimal server that mimics OpenAI's REST API. The creator trained an example model on encyclopedia entries and dad jokes to demonstrate the system. MyGPT is designed for entertainment and experimentation rather than production use, with minimal server functionality and intentionally rough code.
written from the facts on this page · September 2026
From the sources
An easily-trained baby GPT that can stand in for the real thing. Based on Andrej Karpathy's makemore, but set up to mimic a llama-cpp server. This is not production-ready; it's a toy implementation for educational purposes. - jhud/mygpt
In the maker’s words, at launch
My puny version of ChatGPT. This was based on the excellent LLM lecture series by Andrej Karpathy: https://www.youtube.com/watch?v=kCc8FmEb1nY The main points of differentiation are that my version is token-based (tiktoken) with code to load up multiple text files as a trining set. Plus, it has a…
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Source: Show HN post ↗ · launch text quoted in part
