Nvidia's Router Is the Part of Agents Everyone Keeps Rebuilding
Nvidia released Nemotron 3.5 Lightning yesterday, a 30B open mixture-of-experts model with 3B active parameters. It also released NeMo Switchyard, an open-source router that decides which model should handle each step of an agent workflow. The model is useful. The router is the more interesting part. Most agent stacks eventually hit the same ugly fork. You can send everything to the best model…
We haven't written up this one. Dev.to has the full story — the link below goes straight to it.
