Route AI Agent Workloads Across Models with NVIDIA NeMo Switchyard
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Michelle Horton
Author
Michelle Horton
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Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
model routing — Sending each request to a model chosen by the difficulty of the task, rather than using one model for everything.
Why it matters
model routingSending each request to a model chosen by the difficulty of the task, rather than using one model for everything.Full definition → inside AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → loops is becoming a standard cost lever, and this is an open implementation from the vendor rather than a blog post about the idea.
Transcript
Building an AI agent does not end with choosing a single model. Each model has its own strengths, weaknesses, and cost profile, which can shift from one... Building an AI agent does not end with choosing a single model. Each model has its own strengths, weaknesses, and cost profile, which can shift from one workload to another—or even within the same workload. For example, an agentic task may need classification for one step, reasoning for the next, and a smaller model for routine follow-up tasks. Sending every request to the largest model can… Source
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