Open source

NVIDIA Nemotron 3 Super 120B-A12B

NVIDIA Nemotron 3 Super 120B-A12B

NVIDIA Nemotron 3 Super is a 120B-parameter open model with 12B active at inference, combining Mamba-2, LatentMoE, and Multi-Token Prediction for agentic workloads with a 1M token context window.

16 Open-Source RL Libraries, One Shared GPU Bottleneck

16 Open-Source RL Libraries, One Shared GPU Bottleneck

A Hugging Face survey of 16 open-source reinforcement learning libraries finds the entire ecosystem has converged on async disaggregated training to fix a single brutal bottleneck: GPU idle time during long rollouts.