Nemotron 3 Ultra agents: 10x cheaper on Crusoe Cloud

What this post added

Introduces the integration of NVIDIA's Nemotron 3 Ultra model with LangChain Deep Agents, running on Crusoe Cloud. Details the use of Crusoe's Managed Inference and `langchain-crusoe` integration for deploying open agents. Explains harness engineering as a method for improving agent performance and cost-effectiveness. Highlights Crusoe's MemoryAlloy KV cache fabric for agent workloads and presents a blueprint for tiered model deployment using Nemotron models.