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NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
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Context
256K
- Input
- Text, Audio, Image, Video
- Output
- Text
- Served by
- OpenRouter
- List updated
- Oct 31, 2026, 11:22 AM UTC
NVIDIA Nemotron™ 3 Nano Omni is a 30B-A3B open multimodal model designed to function as a perception and context sub-agent in enterprise agent systems. It accepts text, image, video, and...
API
openrouter/nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:freecurl https://freemodel.io/api/v1/chat/completions \
-H "Authorization: Bearer $FREEMODEL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openrouter/nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free",
"messages": [{"role": "user", "content": "Hello"}]
}'More from nvidia
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...
NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...
OpenRouterChat