I Tried to Learn RAG and Got Stuck on API Costs. Turns Out My CPU Could Do the Expensive Bit.
This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.
A few months ago, I started building a Retrieval-Augmented Generation application because I wanted to understand what was actually happening underneath all the buzzwords. The project I built was appropriately named simple_rag . The idea was simple enough: upload a PDF, ask questions about it, and h…
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- 2026-09-14 06:00 · DEV Community — Machine Learning
I Tried to Learn RAG and Got Stuck on API Costs. Turns Out My CPU Could Do the Expensive Bit.