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Carlos Millán

Carlos is a computer science engineer from the Technical University of Valencia, where he is currently pursuing an MsC in computer science. Having a particular interest in robotics and artificial intelligence, and being substantially self-taught, Carlos provides technical support for all ongoing projects.

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How to Build an AI Agent in 2026: Frameworks and Working Code

How to build an AI agent in 2026: Pydantic AI vs LangGraph vs build-your-own compared, two worked examples with real code, and the evaluation and memory patterns that survive production.

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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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