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NVIDIA · openrouter-6b00217437ebb1859aecc623
Nemotron 3 Ultra
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...
Available now
Blind win record50%
Rated appearances4
Median latency6.8 s
Context window1M tokens
Average cost$0.0000
Capability profile
Where it performs well
- Agentic workTool use and multi-step workflows
- ReasoningMulti-step analysis and problem solving
- Text generationInstruction following and response generation