NVIDIA · OpenRouter
Nemotron 3 Ultra (free) pricing
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...
OpenRouterOpenRouter API
This is OpenRouter route pricing from the public models API, not a claim about the creator's direct API price.
Tool useReasoningHugging Face
2,000 input + 500 output tokens$0 / request
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