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NVIDIA Nemotron 3 Ultra 550B A55B GenRM by nvidia

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NVIDIA Nemotron 3 Ultra 550B A55B GenRM is an open-source language model by nvidia. Features: 550b LLM, VRAM: 219.9GB, Context: 256K, License: other, LLM Explorer Score: 0.32.

  Conversational   En   Endpoints compatible   Genrm   Latent-moe   Mtp   Nemotron-3   Nemotron h   Nvidia   Pytorch   Region:us   Reward-model   Safetensors   Sharded   Tensorflow
Model Card on HF 🤗: https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-GenRM 

NVIDIA Nemotron 3 Ultra 550B A55B GenRM Benchmarks

LLME Score: 0.3165
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
NVIDIA Nemotron 3 Ultra 550B A55B GenRM (nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-GenRM)
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NVIDIA Nemotron 3 Ultra 550B A55B GenRM Parameters and Internals

LLM NameNVIDIA Nemotron 3 Ultra 550B A55B GenRM
Repository 🤗https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-GenRM 
Base Model(s)  NVIDIA/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16   NVIDIA/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
Model Size550b
Required VRAM219.9 GB
Updated2026-06-06
Maintainernvidia
Model Typenemotron_h
Model Files  5.0 GB: 1-of-225   5.0 GB: 2-of-225   5.0 GB: 3-of-225   5.0 GB: 4-of-225   4.9 GB: 5-of-225   5.0 GB: 6-of-225   5.0 GB: 7-of-225   5.0 GB: 8-of-225   5.0 GB: 9-of-225   5.0 GB: 10-of-225   5.0 GB: 11-of-225   5.0 GB: 12-of-225   5.0 GB: 13-of-225   5.0 GB: 14-of-225   5.0 GB: 15-of-225   5.0 GB: 16-of-225   5.0 GB: 17-of-225   5.0 GB: 18-of-225   5.0 GB: 19-of-225   5.0 GB: 20-of-225   5.0 GB: 21-of-225   5.0 GB: 22-of-225   5.0 GB: 23-of-225   5.0 GB: 24-of-225   5.0 GB: 25-of-225   5.0 GB: 26-of-225   5.0 GB: 27-of-225   5.0 GB: 28-of-225   5.0 GB: 29-of-225   5.0 GB: 30-of-225   5.0 GB: 31-of-225   5.0 GB: 32-of-225   5.0 GB: 33-of-225   5.0 GB: 34-of-225   5.0 GB: 35-of-225   5.0 GB: 36-of-225   5.0 GB: 37-of-225   5.0 GB: 38-of-225   5.0 GB: 39-of-225   5.0 GB: 40-of-225   5.0 GB: 41-of-225   5.0 GB: 42-of-225   5.0 GB: 43-of-225   5.0 GB: 44-of-225
Supported Languagesen
Model ArchitectureNemotronHForCausalLM
Licenseother
Context Length262144
Model Max Length262144
Transformers Version4.57.6
Vocabulary Size131072

Best Alternatives to NVIDIA Nemotron 3 Ultra 550B A55B GenRM

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...motron 3 Ultra 550B A55B NVFP4256K / 63.1 GB19650
...emotron 3 Ultra 550B A55B BF16256K / 204.9 GB47285135
...on 3 Ultra 550B A55B Base BF16256K / 209.9 GB55719
...motron 3 Ultra 550B A55B NVFP4256K / 63.1 GB1584
...emotron 3 Ultra 550B A55B 4bit256K / 130 GB4332
...emotron 3 Ultra 550B A55B GGUF256K /  GB552719
Note: green Score (e.g. "73.2") means that the model is better than nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-GenRM.

Rank the NVIDIA Nemotron 3 Ultra 550B A55B GenRM Capabilities

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Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
Censorship and Alignment  
Data Analysis and Insight Generation  
Text Generation  
Text Summarization and Feature Extraction  
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Multi-Language Support and Translation  

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