I Fine-Tuned a 1B Model on My Personal Notes — It Now Thinks Like My Second Brain
Last Updated on December 2, 2025 by Editorial Team
Author(s): Manash Pratim
Originally published on Towards AI.
I Fine-Tuned a 1B Model on My Personal Notes — It Now Thinks Like My Second Brain
For years, my notes were just dead text files.
The article explores the author’s journey of transforming their disorganized notes into a fine-tuned language model that mimics their own thought process. By fine-tuning a 1 billion parameter model on personal insights, the author reflects on the limitations of traditional note-taking methods, such as inability to connect ideas and difficulties in searching for useful information. The experiment not only proves technically intriguing but also illuminates psychological aspects, as the model starts to serve as a mirror, prompting introspection about past decisions and patterns of thinking and failing.
Read the full blog for free on Medium.
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