nvidia/nemotron-3-ultra-550b-a55b
$0.60/M input$3.60/M output
nvidia/nemotron-3-ultra-550b-a55bDescription
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...
Quick Start
curl https://router.tangle.tools/v1/chat/completions \
-H "Authorization: Bearer $TANGLE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nvidia/nemotron-3-ultra-550b-a55b",
"messages": [{"role": "user", "content": "Hello!"}]
}'Modalities
Input: TextOutput: Text