Palantir Advances Sovereign AI with Nemotron Fine-Tuning, Delivering McCarthy Building's Risk-Detection Breakthrough

Palantir Technologies is accelerating enterprise adoption of sovereign AI—systems where organizations maintain full control of their models, data, and computing infrastructure—by helping customers fine-tune open-weight AI models like NVIDIA's Nemotron on proprietary operational data. The flagship example is McCarthy Building Companies, one of America's largest construction contractors, which has deployed a custom Nemotron 3 Nano 4B model fine-tuned on over 100,000 labeled request-for-information (RFI) documents within Palantir's Foundry and Ontology platforms to predict cost and schedule risks before they escalate on job sites. The result: an annual savings of 30,000 labor hours through AI-assisted decision workflows that match or exceed frontier model performance at significantly lower computational cost.