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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...
nvidia/nemotron-3-ultra-550b-a55b
Capabilities
🧠Reasoning🔧Tools🧩Structured📜Long context
Specifications
Context window
1M tokens
Input price
$0.50/M
Output price
$2.20/M
Provider
NVIDIA
Input modalities
text
Output modalities
text
Pricing
Pay-per-token
Model ID
nvidia/nemotron-3-ultra-550b-a55b
Strengths
- +Strong step-by-step reasoning
- +Supports tool / function calling
- +Large 1M-token context window
- +Low cost per token
Considerations
- –No image understanding
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