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Llama Nemotron

by NVIDIA

Reasoning model by NVIDIA.
Text
Latest
https://huggingface.co/nvidia/Llama-3_3-Nemotron-Super-49B-v1_5
Llama-3.3-70B-Instruct
Llama-3_3-Nemotron-Super-49B-v1_5
NVIDIA Open Model License
NVIDIA, a major chip manufacturer.
https://www.nvidia.com
July 2025
Availability
Base Model Data
Data nowhere disclosed or documented.
End User Model Data
Dataset published on HuggingFace.
https://huggingface.co/datasets/nvidia/Llama-Nemotron-Post-Training-Dataset
Base Model Weights
Inspecting the training weights requires signing the Llama 3.3 Community License Agreement, not an OSI recognised open license
https://huggingface.co/meta-llama/Llama-3.3-70B-Instruct
End User Model Weights
Weights made available through HuggingFace.
https://huggingface.co/nvidia/Llama-3_3-Nemotron-Super-49B-v1_5
Training Code
Training code available across three repos.
https://github.com/NVIDIA-NeMo/NeMohttps://github.com/NVIDIA/NeMo-Aligner/tree/llama-nemotron-devhttps://github.com/NVIDIA/Megatron-LM
Documentation
Code Documentation
Repos well-documented.
https://github.com/NVIDIA-NeMo/NeMohttps://github.com/NVIDIA/NeMo-Aligner/tree/llama-nemotron-devhttps://github.com/NVIDIA/Megatron-LM
Hardware Architecture
Architecture described in-detail in source preprint.
https://arxiv.org/pdf/2505.00949
Preprint
Preprint published through arXiv.
https://arxiv.org/pdf/2505.00949
Paper
Preprint published as poster at ICML.
https://icml.cc/virtual/2025/51490
Modelcard
Model card contains general information, but none about model architecture, training, or fine-tuning.
https://huggingface.co/Nexusflow/NexusRaven-V2-13B
Datasheet
Data collection procedures described with a fair degree of detail in source paper.
https://huggingface.co/datasets/nvidia/Llama-Nemotron-Post-Training-Datasethttps://arxiv.org/pdf/2505.00949
Access
Licenses
NVIDIA Open Model License Agreement, not an OSI-approved license.
https://huggingface.co/nvidia/Llama-3_3-Nemotron-Super-49B-v1_5
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