Nemotron 3 Ultra (free)

#74

NVIDIA

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...

openrouter.ai ↗

📖Context1M tokens

🚀Speed-

💵Input price$0.600/1M

💸Output price$3.60/1M

Made by

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Details

Provider: NVIDIA
Parameters: -
Context: 1M tokens
Speed: -
Open Source: No
License: Proprietary
Released: Jun 2026

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