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NVIDIA Nemotron 3 Ultra 550B A55B Base BF16 by nvidia

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NVIDIA Nemotron 3 Ultra 550B A55B Base BF16 is an open-source language model by nvidia. Features: 550b LLM, VRAM: 209.9GB, Context: 256K, License: other, LLM Explorer Score: 0.43.

  Ar   De   En   Endpoints compatible   Es   Fr   He   Hi   It   Ja   Ko   Latent-moe   Mtp   Nemotron-3   Nemotron h   Nvidia   Pt   Pytorch   Region:us   Safetensors   Sharded   Tensorflow   Zh
Model Card on HF 🤗: https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-Base-BF16 

NVIDIA Nemotron 3 Ultra 550B A55B Base BF16 Benchmarks

LLME Score: 0.42544
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 Base BF16 (nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-Base-BF16)
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NVIDIA Nemotron 3 Ultra 550B A55B Base BF16 Parameters and Internals

LLM NameNVIDIA Nemotron 3 Ultra 550B A55B Base BF16
Repository 🤗https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-Base-BF16 
Model Size550b
Required VRAM209.9 GB
Updated2026-06-05
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
Supported Languagesen fr es it de pt ja ko hi ar zh he
Model ArchitectureNemotronHForCausalLM
Licenseother
Context Length262144
Model Max Length262144
Transformers Version4.57.6
Vocabulary Size131072

Best Alternatives to NVIDIA Nemotron 3 Ultra 550B A55B Base BF16

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...motron 3 Ultra 550B A55B NVFP4256K / 63.1 GB19650
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Note: green Score (e.g. "73.2") means that the model is better than nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-Base-BF16.

Rank the NVIDIA Nemotron 3 Ultra 550B A55B Base BF16 Capabilities

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