NVIDIA's NeMo Switchyard: Model Routing as the Agent Budget Manager
krishnan · x · 2026-08-14
As enterprise AI matures, the industry is shifting from finding a single standard model to granular model routing. NVIDIA's recent release of Nemotron 3.5 Lightning and the NeMo Switchyard architecture highlights this trend.
- System of Models: NVIDIA treats agentic AI as a system rather than a single magic brain. Tasks like planning, code review, and tool calls have vastly different model requirements.
- Routing as Budget Management: Sitting above the model layer, NeMo Switchyard dynamically routes requests across open, proprietary, and NVIDIA models based on quality, latency, and cost.
- Return on Cognitive Spend: The core operational metric is no longer "how smart is the model," but rather how much verified work is produced per unit of reasoning, latency, and human review.
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