
Running AI Locally for Ruby Development: A Practical Guide with Ollama, Aider, and Your Own Codebase
May 28, 2026
Ruby Stack News — by Germán Silva
There’s a quiet revolution happening in developer tooling, and it doesn’t require a cloud subscription, an API key, or sending your proprietary code to someone else’s server.
Over the past few months I’ve been experimenting with running large language models entirely on my own machine while working on Ruby-LibGD , my gem for image generation in Ruby, and the experience has been interesting enough to write about.
This article covers a lot of ground: the philosophy behind local AI, what these models actually do (and what they decidedly don’t do), how to set up a productive environment in VSCode, and what it means for Ruby and Rails developers specifically.

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