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Nvidia

NVIDIA: Nemotron 3 Ultra

nvidia/nemotron-3-ultra-550b-a55b

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE).

Context window: 262,144 tokens
Input: text
Output: text
Pricing: $0.6/M input tokens, $2.4/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.

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