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/Nemotron 3 Ultra
Nvidia

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...

Capabilities:

Input
  • Text input
  • Image input (vision)
  • File input (PDF)
  • Audio input
  • Video input
Output
  • Text output
  • Image output
  • Audio output
Pricing & availability:

  • OpenRouterOpenRouter

    $0.5 / $2.2 per M
Sources:
OpenRouterOpenRouter
Share:
Details:

  • NvidiaProvider

    Nvidia

  • Context window

    1M

  • Input price

    $0.5/M

  • Output price

    $2.2/M

  • Open weights

    Yes

  • Released

    Jun 2026
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Appears in rankings:
Best free models on OpenRouterBest open-source AI modelsBest open-source models for HermesBest open-source models for OpenClaw
More Nvidia models:
Nemotron 3.5 Content SafetyNemotron 3 Nano OmniNemotron 3 SuperNemotron 3 Nano 30B A3BNemotron Nano 12B 2 VLLlama 3.3 Nemotron Super 49B V1.5Nemotron Nano 9B V2