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It unifies the existing [Nemotron 3 Content Safety Multimodal model](https://huggingface.co/nvidia/Nemotron-3-Content-Safety) with the custom-policy capabilities of the [Nemotron Content Safety Reasoning 4B model](https://huggingface.co/nvidia/Nemotron-Content-Safety-Reasoning-4B). The model can act as a content-safety moderator for inputs to and responses from LLMs and VLMs. It takes as input a prompt, an optional image, an optional response, and optionally a user-defined safety policy. 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It unifies the existing [Nemotron 3 Content Safety Multimodal model](https://huggingface.co/nvidia/Nemotron-3-Content-Safety) with the custom-policy capabilities of the [Nemotron Content Safety Reasoning 4B model](https://huggingface.co/nvidia/Nemotron-Content-Safety-Reasoning-4B). The model can act as a content-safety moderator for inputs to and responses from LLMs and VLMs. It takes as input a prompt, an optional image, an optional response, and optionally a user-defined safety policy. 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