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...
1M contextTool callingReasoningNo reported score
No reported score
$0.00in$0.00out/ 1M tokens · USDNvidia · via OpenRouternvidia/nvfp4 · quantization=nvfp4
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...
128K contextImage inputReasoningNo reported score
No reported score
$0.00in$0.00out/ 1M tokens · USDNvidia · via OpenRouternvidia
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…