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Run AI Locally on Your Mac with Ollama: Chat, Tools, RAG and a Custom Model (Real Numbers from a Mac mini M4)

This story is from 2026-10-05. It is preserved in the archive; the latest stories are on the live feed.

I wanted to know how far a plain Mac mini M4 with 16 GB can go with local AI. No cloud, no API key, nothing leaving the machine. So I installed Ollama and built five small projects with it: a chat app, the OpenAI SDK pointed at localhost, tool calling, RAG over my own notes, and a custom model. Eve…

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  1. 2026-10-05 05:47 · DEV Community — AI
    Run AI Locally on Your Mac with Ollama: Chat, Tools, RAG and a Custom Model (Real Numbers from a Mac mini M4)

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