AI Fundamentals Updated
- Dennis Hulsebos
- Sep 24
- 3 min read

For over a year, AI development seemed to revolve around refinement rather than reinvention. Each new release promised improvements: lower latency, smoother interfaces, more expressive conversations. It gave the impression of rapid progress, but underneath, the same foundation remained in place. GPT-4 was still the model powering it all, even when presented under new names like GPT-4 Turbo or GPT-4o. What changed was mostly how the model was delivered, not how it was taught.