collaborators

5 papers

cs.CL2026

Nemotron-Cascade: Scaling Cascaded Reinforcement Learning for General-Purpose Reasoning Models

Boxin Wang, Chankyu Lee, Nayeon Lee +9

Building general-purpose reasoning models with reinforcement learning (RL) entails substantial cross-domain heterogeneity, including large variation in inference-time response leng…

cs.CL2026

Nemotron-Cascade 2: Post-Training LLMs with Cascade RL and Multi-Domain On-Policy Distillation

Zhuolin Yang, Zihan Liu, Yang Chen +14

We introduce Nemotron-Cascade 2, an open 30B MoE model with 3B activated parameters that delivers best-in-class reasoning and strong agentic capabilities. Despite its compact size,…

cs.CL2025

AceReason-Nemotron 1.1: Advancing Math and Code Reasoning through SFT and RL Synergy

Zihan Liu, Zhuolin Yang, Yang Chen +4

In this work, we investigate the synergy between supervised fine-tuning (SFT) and reinforcement learning (RL) in developing strong reasoning models. We begin by curating the SFT tr…

cs.LG2025

AceReason-Nemotron: Advancing Math and Code Reasoning through Reinforcement Learning

Yang Chen, Zhuolin Yang, Zihan Liu +5

Despite recent progress in large-scale reinforcement learning (RL) for reasoning, the training recipe for building high-performing reasoning models remains elusive. Key implementat…

cs.CL2025

AceMath: Advancing Frontier Math Reasoning with Post-Training and Reward Modeling

Zihan Liu, Yang Chen, Mohammad Shoeybi +2

In this paper, we introduce AceMath, a suite of frontier math models that excel in solving complex math problems, along with highly effective reward models capable of evaluating ge…