AboutWhat I doProjectsContact

Notes on machine learning

Technical notes written while learning: honest evaluation, data leakage, deployment, LLM applications and the mistakes behind each lesson. They come from the projects on this site, with the code one click away.

When is it worth using an LLM — and when is it not?
LLMs·15/05/2026·2 min

When is it worth using an LLM — and when is it not?

LLMs solve certain problems better than anything else. Others they solve worse than a three-line classifier. The question to ask before opening the OpenAI API.

Read article

Shall we connect?

Let's talk: feedback, collaboration or an opportunity.

You can write to me about a project, a technical question, to give me feedback, or about an internship or a first junior role. I always reply.

Write to me

hola@jmwebsoluciones.com