Nvidia launches first open-source AI model, Nemotron 3.5 Lightning, amid industry debate

Aug 11, 2026

AI Summary

Nvidia has introduced its first open-source AI model, Nemotron 3.5 Lightning, which can run on a single GPU. This move follows CEO Jensen Huang's advocacy for open-source models, emphasizing their potential to enhance competition and lower costs in the AI sector.

Nvidia has released Nemotron 3.5 Lightning, its first open-source AI model since CEO Jensen Huang's public support for open models in July 2023.
The model is designed to be lightweight and can operate on a single graphics processing unit (GPU) on a PC, allowing companies to download, use, and modify it freely.
Huang argues that open-source AI can drive chip sales as these models still require GPUs, potentially increasing usage compared to proprietary models.
The launch comes amid concerns in Washington regarding the competitive landscape of AI, particularly following the introduction of a Chinese model, Kimi K3, which raised national security issues.
Nvidia has also formed an AI safety consortium with companies like Microsoft to focus on open models and cybersecurity.
The new model has been tested by companies such as CrowdStrike and CodeRabbit, and will be available on platforms like HuggingFace and Nvidia's website.
Nvidia has developed software called NeMo Switchyard to help users identify the most suitable AI model for specific tasks.

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Nvidia launches first open-source AI model, Nemotron 3.5 Lightning, amid industry debate

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