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NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 by unsloth

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NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 is an open-source language model by unsloth. Features: 550b LLM, VRAM: 63.1GB, Context: 256K, License: other, LLM Explorer Score: 0.34.

  8-bit   Ar Base model:finetune:nvidia/nvi... Base model:nvidia/nvidia-nemot...   Conversational Dataset:nvidia/nemotron-post-t... Dataset:nvidia/nemotron-pre-tr...   De   En   Endpoints compatible   Es   Fr   He   Hi   It   Ja   Ko   Latent-moe   Mtp   Nemotron-3   Nvidia   Pt   Pytorch   Region:us   Safetensors   Sharded   Tensorflow   Zh
Model Card on HF 🤗: https://huggingface.co/unsloth/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4 

NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 Benchmarks

LLME Score: 0.34434
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 NVFP4 (unsloth/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4)
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NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 Parameters and Internals

LLM NameNVIDIA Nemotron 3 Ultra 550B A55B NVFP4
Repository 🤗https://huggingface.co/unsloth/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4 
Base Model(s)  ...emotron 3 Ultra 550B A55B BF16   nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
Model Size550b
Required VRAM63.1 GB
Updated2026-06-06
Maintainerunsloth
Model Typenemotron_h
Model Files  2.6 GB: 1-of-113   6.3 GB: 2-of-113   0.4 GB: 3-of-113   6.3 GB: 4-of-113   0.4 GB: 5-of-113   6.3 GB: 6-of-113   0.4 GB: 7-of-113   0.3 GB: 8-of-113   6.3 GB: 9-of-113   0.4 GB: 10-of-113   6.3 GB: 11-of-113   0.4 GB: 12-of-113   6.3 GB: 13-of-113   0.4 GB: 14-of-113   0.3 GB: 15-of-113   6.3 GB: 16-of-113   0.4 GB: 17-of-113   6.3 GB: 18-of-113   0.4 GB: 19-of-113   6.3 GB: 20-of-113
Supported Languagesen fr es it de pt ja ko hi ar zh he
Model ArchitectureNemotronHForCausalLM
Licenseother
Context Length262144
Model Max Length262144
Transformers Version5.3.0
Vocabulary Size131072

Best Alternatives to NVIDIA Nemotron 3 Ultra 550B A55B NVFP4

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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 GenRM256K / 219.9 GB1649
...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 unsloth/NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4.

Rank the NVIDIA Nemotron 3 Ultra 550B A55B NVFP4 Capabilities

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