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Llama 3 1 Nemotron Ultra 253B V1 by nvidia

 »  All LLMs  »  nvidia  »  Llama 3 1 Nemotron Ultra 253B V1   URL Share it on

  2183   
  Arxiv:2411.19146   Arxiv:2502.00203   Arxiv:2503.18908   Arxiv:2505.00949   Autotrain compatible   Conversational   Custom code   En   Llama-3   Nemotron-nas   Nvidia   Pytorch   Region:us   Safetensors   Sharded   Tensorflow
Model Card on HF 🤗: https://huggingface.co/nvidia/Llama-3_1-Nemotron-Ultra-253B-v1 

Llama 3 1 Nemotron Ultra 253B V1 Benchmarks

LMSys ELO: 1321 vs 1272 (so35)3.9%
LLME Score: 0.45317
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Llama 3 1 Nemotron Ultra 253B V1 (nvidia/Llama-3_1-Nemotron-Ultra-253B-v1)
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Llama 3 1 Nemotron Ultra 253B V1 Parameters and Internals

LLM NameLlama 3 1 Nemotron Ultra 253B V1
Repository 🤗https://huggingface.co/nvidia/Llama-3_1-Nemotron-Ultra-253B-v1 
Model Size253b
Required VRAM405.3 GB
Updated2025-09-23
Maintainernvidia
Model Typenemotron-nas
Model Files  9.5 GB: 1-of-49   9.9 GB: 2-of-49   9.4 GB: 3-of-49   10.0 GB: 4-of-49   9.5 GB: 5-of-49   8.8 GB: 6-of-49   7.5 GB: 7-of-49   8.1 GB: 8-of-49   8.7 GB: 9-of-49   9.8 GB: 10-of-49   8.3 GB: 11-of-49   9.6 GB: 12-of-49   7.5 GB: 13-of-49   9.9 GB: 14-of-49   8.1 GB: 15-of-49   7.5 GB: 16-of-49   9.9 GB: 17-of-49   8.1 GB: 18-of-49   7.5 GB: 19-of-49   9.9 GB: 20-of-49   8.1 GB: 21-of-49   7.5 GB: 22-of-49   9.9 GB: 23-of-49   8.1 GB: 24-of-49   9.9 GB: 25-of-49   8.4 GB: 26-of-49   9.5 GB: 27-of-49   9.1 GB: 28-of-49   9.1 GB: 29-of-49   9.3 GB: 30-of-49   9.9 GB: 31-of-49   8.7 GB: 32-of-49   9.9 GB: 33-of-49   6.7 GB: 34-of-49   26.2 GB: 35-of-49   13.1 GB: 36-of-49   27.9 GB: 37-of-49   14.0 GB: 38-of-49   22.5 GB: 39-of-49
Supported Languagesen
Model ArchitectureDeciLMForCausalLM
Licenseother
Context Length131072
Model Max Length131072
Transformers Version4.45.1
Vocabulary Size128256
Torch Data Typebfloat16

Quantized Models of the Llama 3 1 Nemotron Ultra 253B V1

Model
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VRAM
... 1 Nemotron Ultra 253B V1 GGUF916850 GB

Best Alternatives to Llama 3 1 Nemotron Ultra 253B V1

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...3 1 Nemotron Ultra 253B V1 FP8128K / 198.8 GB12168
...3 1 Nemotron Ultra 253B CPT V1128K / 167.6 GB206
... 1 Nemotron Ultra 253B V1 GGUF128K /  GB16859

Rank the Llama 3 1 Nemotron Ultra 253B V1 Capabilities

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Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
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Release v20241124
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