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AI Systems

A 4-part series

AI is a stack. This series shows you how models, tools, and agents fit together so you can actually understand (and control) what your AI tools are doing.

  1. 1
    AI as a System (Part 1): AI is a Stack AI is a stack. A clear, systems-level breakdown of models, tools, and agents to make sense of modern AI.
  2. 2
    AI as a System (Part 2): What AI Models Actually Are What AI models actually are, how they work, and why GPT, Claude, Gemini, and others behave differently.
  3. 3
    AI as a System (Part 3): Why AI Feels Different in ChatGPT, Cursor, and Copilot The same AI model can feel completely different depending on the interface. Here's why tools like ChatGPT, Cursor, and Copilot behave so differently.
  4. 4
    AI as a System (Part 4): Interface to Execution - Understanding AI in the CLI CLI AI tools turn AI from an assistant into something that can act on your system. Here's how and why that changes everything.