Engineering the Stack: Efficiency, Control, and Safety Eclipse Raw Scaling

AI Sentinel: Frontier Daily · Sep 27, 2026 · 25m · transcript

- The capability gap between flagship and budget-tier models is narrowing through deliberate pricing, caching, and training-cost engineering rather than fundamental architecture changes. ⏱️ Chapters 00:00 Intro 00:16 Engineering the Stack: Efficiency, Control, and Safety Eclipse Raw Scaling 00:20 Highlights 02:53 The Cost-Efficiency Frontier: Near-Flagship Capability at Fractional Cost 05:10 Harness-Level Optimization: The New Locus of Agent Efficiency 07:17 Physical AI Safety: From Benchmark Exposure to Full-Stack Assurance 09:31 Embodied Control: Converging on Asynchronous Separation of…