We look at NVIDIA Personal AI Router (PAIR), an open source virtual inference router that spreads local AI requests across the machines already on a home network. We cover how PAIR proxies existing Ollama and LM Studio endpoints so agent harnesses need no changes, and how its scheduler filters nodes on readiness, engine state, exact model presence, job load, and GPU utilization. We walk through NVIDIA's five-subagent demonstration, which averaged 18 minutes on one RTX Spark laptop against 8 minutes 48 seconds on a three-device cluster, and note why NVIDIA labels it unofficial rather than a benchmark. We also cover where PAIR will not help, including its single scheduling policy and its blindness to VRAM and model warmness.
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