NVIDIA has released a LangChain Deep Agents harness profile tailored for Nemotron 3 Ultra, enabling developers to optimize the model for autonomous, long-running agent workflows.
The profile customizes prompts, tool selection, middleware, and execution behavior to better match Nemotron 3 Ultra's reasoning capabilities, improving task completion and overall reliability.
NVIDIA says the approach demonstrates how model-specific harness optimization can significantly boost agent performance without changing model weights. The integration is built on LangChain's Deep Agents framework and supports production-ready AI systems that require sustained reasoning, tool use, and orchestration across complex enterprise workflows.




