NVIDIA: Nemotron 3.5 Content Safety (free)

NVIDIA Nemotron 3.5 Content Safety is a compact 4B-parameter multimodal guardrail model from NVIDIA, fine-tuned from Google Gemma-3-4B. It moderates both inputs to and responses from LLMs and VLMs, accepting...

• Context window: 128,000 tokens
• Input: text, image
• Output: text
• Pricing: $0/M input tokens, $0/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.