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Dr. Emilio Granell

Emilio is an engineer in telecommunication systems, MsC in Artificial Intelligence, and holds a PhD in computer science from the Technical University of Valencia. His interest in technology has led him to visit different countries to collaborate and work both with universities and public research centers, as well as with private companies.

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How to Build an AI Agent in 2026: A Practical Guide

A practical 2026 guide to building AI agents that survive production. Opinionated framework comparison (Pydantic AI, LangGraph, build-your-own, Helix), two worked examples in code and in markdown, the harness, environment, store, and evaluation patterns.

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RAG vs Fine-Tuning in 2026: A Decision Framework for LLM Teams

An opinionated 2026 decision framework for choosing between retrieval-augmented generation (RAG), fine-tuning, and hybrid approaches for LLM applications. Decision tree, comparison table, and named tooling.

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