NVIDIA CEO calls AI harnesses the future of companies — but having one isn't enough

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At a July 8th conversation with LangChain's founder, NVIDIA CEO Jensen Huang argued that future companies will be defined not by AI models themselves but by the 'harness' built around them — the domain knowledge, workflows, guardrails, memory, and evaluation layers. A solo developer running an AI-governed coffee e-commerce platform found that their six-month-old system checked seven of nine components on Huang's harness framework. However, the developer discovered a critical gap: having a component on paper and having it function correctly in practice are two entirely different things. Nearly half of their task-scoped AI skills had never actually fired because overly detailed descriptions silently exceeded the model's character budget, rendering them invisible at decision time. The broader lesson drawn is that a true harness is not an asset inventory but verified, functioning engineering — a distinction Huang's framework does not explicitly address.

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