NVIDIA Reveals New Nemotron-4 340B Models for Improved Synthetic Data Generation

Enhancing Artificial Intelligence with NVIDIA’s Nemotron-4 340B Models

NVIDIA Unveils Nemotron-4 340B Models for Enhanced Synthetic Data Generation

In a groundbreaking move for the artificial intelligence (AI) community, NVIDIA has introduced a new set of models specifically crafted for Synthetic Data Generation (SDG). The Nemotron-4 340B lineup features cutting-edge Reward and Instruct models, all made available under the NVIDIA Open Model License, as detailed in the NVIDIA Technical Blog.

NVIDIA Open Model License

The Nemotron-4 340B models, comprising of Base, Instruct, and Reward Model variants, are now accessible under the NVIDIA Open Model License. This permissive license grants users the freedom to distribute, modify, and utilize the models and their outputs for personal, research, and commercial purposes without the need for attribution.

Introducing Nemotron-4 340B Reward Model

The Nemotron-4 340B Reward Model stands out as an advanced multidimensional reward model aimed at evaluating text prompts and delivering scores based on human preferences. Through benchmarking against the Reward Bench, this model achieved an outstanding overall score of 92.0, excelling notably in the Chat-Hard subset.

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This Reward Model leverages the HelpSteer2 dataset, which includes human-annotated responses evaluated on attributes like helpfulness, correctness, coherence, complexity, and verbosity. The availability of this dataset under a CC-BY-4.0 license is a significant advantage for users.

A Primer on Synthetic Data Generation

Synthetic Data Generation (SDG) plays a crucial role in creating datasets tailored for various model customizations such as Supervised Fine-Tuning, Parameter Efficient Fine-Tuning, and model alignment. The use of SDG is vital for generating high-quality data that can enhance the accuracy and efficiency of AI models.

By utilizing the Nemotron-4 340B models for SDG, users can generate synthetic responses and rank them using the Reward Model. This process ensures that only top-quality data is retained, mimicking the human evaluation process.

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Case Study

In a notable case study, NVIDIA researchers showcased the effectiveness of SDG with the HelpSteer2 dataset. They generated 100K rows of conversational synthetic data, dubbed "Daring Anteater," and employed it to align the Llama 3 70B base model. Surprisingly, this alignment matched or even surpassed the performance of the Llama 3 70B Instruct model on various benchmarks, despite utilizing just 1% of the human-annotated data.


Data serves as the foundation for Large Language Models (LLMs), and Synthetic Data Generation is poised to revolutionize how enterprises construct and refine AI systems. NVIDIA’s Nemotron-4 340B models present a robust solution for enhancing data pipelines, supported by a permissive license and top-notch instruct and reward models.

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For further insights, we invite you to explore the official NVIDIA Technical Blog.

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