Explore NVIDIA's Llama 3.1 Nemotron Ultra 253B v1

Advanced reasoning and efficient text processing with NVIDIA's LLM.

Input: text Output: text Context: 131,072 tokens Release: 2025-04-08

Discover NVIDIA's Llama 3.1 Nemotron Ultra 253B v1, released on April 8, 2025. This large language model excels at advanced reasoning, human-interactive chat, and retrieval-augmented generation. With a context window of 128K tokens, it efficiently processes text inputs and outputs. Leveraging Neural Architecture Search, it offers enhanced efficiency and reduced memory usage. Ideal for tasks requiring detailed thinking, it operates smoothly on an 8x NVIDIA H100 node. Explore its capabilities for text-based applications.

Use Cases

Here are a few ways teams apply NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.

Enhance human-interactive chat experiences

Perform retrieval-augmented generation

Execute tool-calling tasks efficiently

Utilize detailed thinking for complex reasoning

Key Features

A quick look at the capabilities that make this model useful in real projects.

Optimized for advanced reasoning tasks

Supports context length up to 128K tokens

Efficient on 8x NVIDIA H100 node

Enhanced efficiency via Neural Architecture Search

Reduced memory usage and improved latency

Specs

Overview

Vendor
nvidia

Model ID
nvidia/llama-3.1-nemotron-ultra-253b-v1

Release
2025-04-08

Modalities & context

Input
text

Output
text

Context
131,072 tokens

Parameters & defaults

Supported parameters: frequency_penalty, include_reasoning, max_tokens, presence_penalty, reasoning, repetition_penalty, response_format, structured_outputs, temperature, top_k, top_p

Defaults: temperature 0.2, top_p 0.95

Benchmark tests: NVIDIA: Llama 3.1 Nemotron Ultra 253B v1

We ran this model against a few representative prompts to show its range. Review the outputs below and be the judge.

Text

Prompt:

Write 150 words on how AI might positively upend work, leisure and creativity

Here are 150 words on how AI might positively upend work, leisure, and creativity: "Artificial Intelligence (AI) is poised to revolutionize work, leisure, and creativity, ushering in a transformative era of innovation and efficiency. In the realm of work, AI will automate mundane tasks, freeing professionals to focus on strategic, high-value endeavors that drive growth and fulfillment. This shift will give rise to novel job categories, ensuring a net positive impact on employment. For leisure, AI-driven personalization will curate immersive, tailored experiences, enriching hobbies and travel. Intelligent recommendation systems will help people discover new passions and interests, fostering a more vibrant cultural landscape. In the creative domain, AI will act as a collaborative tool, augmenting human imagination. Artists, writers, and musicians will leverage AI to generate ideas, experiment with new forms, and push the boundaries of expression, leading to unprecedented artistic breakthroughs. By harmonizing human ingenuity with AI's capabilities, we can unlock a future where work is purposeful, leisure is enriching, and creativity knows no bounds."

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