Spain Is Not a Translation Problem: Building Frontier AI That Understands the Country It Serves
Why I built spain-reference-personas-frontier — a synthetic reference population of 1M personas, 536K households, and 1,800 benchmark tasks — and how Codex, GPT‐4.5, Claude Opus 4.6, and MiniMax M2.7 helped shape it into open infrastructure for better AI products, services, and public-interest systems for Spain.