The AI Stack and the Indispensability Trap
Techstrong.ai, Monday, July 20th, 2026
AI infrastructure vendors expand across stack layers to escape commoditization of their core offerings.
The article presents an eight-layer AI stack framework and examines how Microsoft, Google, AWS and others position themselves across applications, models, infrastructure and silicon.
The central insight is that becoming indispensable often leads to commoditization, pushing vendors upward and sideways to capture value.
Enterprise adoption of multi-model strategies, now 56% of builders, suggests that control of orchestration and governance layers may prove more valuable than owning individual models. The winners will likely own the layers customers cannot easily replace rather than the most layers overall.