Jieyu Zhang | NVIDIA Learning and Perception Research https://research.nvidia.com/labs/lpr/author/jieyu-zhang/ Jieyu Zhang Wowchemy (https://wowchemy.com)en-usWed, 01 Apr 2026 00:00:00 +0000 https://research.nvidia.com/labs/lpr/images/logo_hu_2dc94b9c84300c9b.png Jieyu Zhang https://research.nvidia.com/labs/lpr/author/jieyu-zhang/ Nemotron-Research-Tool-N1: Exploring Tool-Using Language Models with Reinforced Reasoning https://research.nvidia.com/labs/lpr/publication/zhang2025tooln1/ Wed, 01 Apr 2026 00:00:00 +0000 https://research.nvidia.com/labs/lpr/publication/zhang2025tooln1/