For eighteen months the story has been the same. AI is expensive, and getting more expensive. That story has inverted. The price of using AI, not building it, is collapsing, and most of your vendors are quietly hoping you do not notice.

In this weekday brief, Stephen Forte teaches the single most important distinction in AI economics, walks through four pieces of evidence in eleven days that the price floor is cracking, and gives you three concrete moves for the contracts already sitting in your legal folder.

What you'll learn:

• Training vs. inference. Training is medical school. Inference is every patient visit for the next forty years. Inference is north of ninety percent of what you actually pay.
• The chip split. Google announced TPU 8t for trainin ...