I Built a Production RAG System on My M1 Mac for $0

Most RAG tutorials stop at "it answers questions." But answering questions is table stakes. The real question is: are the answers actually correct?

I built a RAG pipeline that doesn't just retrieve and generate — it evaluates whether its own answers are faithful to the source material and relevant to the question. All running locally on an M1 Mac with 16GB RAM. Zero cloud cost.

What I Built

A full RAG system with three layers most tutorials skip: