Local-first: a Model on Your Own Machine, Zero Cloud (opens in new tab)

This is the concrete, runnable walkthrough for Post 1 of the Portway series. The goal: stand up a single model behind an OpenAI-compatible endpoint on hardware you already own, call it from the official OpenAI SDK, and internalize the stateless contract. Everything here runs locally for $0. What this post covers A demo.py script with two blocks: Round-trip — one chat call via the OpenAI SDK, printing the content and the usage object. Stateless proof — the same final question sent as a 1-turn ...