In 2024 the engine moved underneath everything, because reasoning is worth more as a foundation than as a feature.
By 2024 the market was flooded with AI features bolted onto old software, most of them thin and forgettable. The durable advantage was moving to companies that redesigned the system underneath rather than decorating the surface. In space, a booster the size of a building was caught out of the air on its return, proving that reuse and precision beat brute force.
By 2024 I stopped treating the reasoning engine as a feature and started treating it as the foundation. A clever assistant sitting on top of old software is a demo. An engine underneath the software, deciding, verifying, and improving before anything reaches a person, is a different kind of company.
Everyone else was in a race to add AI to what they already had. I was more interested in the opposite move: rebuild the system around the engine, so intelligence was not a button you pressed but the ground the whole product stood on. Features get copied in a quarter. Foundations take years and cannot be bolted on later.
That year the engine went from experiment to infrastructure, quietly running underneath the things I build across industries. It is the least visible work I have done and the most important. The surface is where you win attention. The foundation is where you win the decade.