Nemotron 3 Ultra
StandardNVIDIA's open frontier reasoning model for orchestration, coding, and deep research.
550B-parameter sparse MoE with 55B active parameters and a hybrid Transformer-Mamba design. Built for enterprise agents, coding automation, long-form analysis, and complex tool workflows with a large working context.
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Nemotron 3 Ultra is somewhat expensive at $0.60/M tokens input and $3.60/M tokens output. Cached input reads are priced at $0.20/M tokens, making repeated context cheaper. The model supports extended reasoning, a 512K context window.
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When was Nemotron 3 Ultra released?
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Nemotron 3 Ultra was released on June 4, 2026.
Who created Nemotron 3 Ultra?
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Nemotron 3 Ultra was created by NVIDIA.
How much does Nemotron 3 Ultra cost?
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Nemotron 3 Ultra costs $0.60/M input tokens and $3.60/M output tokens.
What is Nemotron 3 Ultra API pricing?
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The Nemotron 3 Ultra API is priced at $0.60 per million input tokens and $3.60 per million output tokens. You can access Nemotron 3 Ultra through idapt.app alongside 200+ other AI models in one workspace.
Is Nemotron 3 Ultra a reasoning model?
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Yes, Nemotron 3 Ultra is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.
Does Nemotron 3 Ultra support image or vision input?
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No, Nemotron 3 Ultra does not currently support image or vision input. It is a text-only model.
Does Nemotron 3 Ultra support audio?
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No, Nemotron 3 Ultra does not support audio input.
What is the context window of Nemotron 3 Ultra?
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Nemotron 3 Ultra has a context window of 512K tokens, meaning it can process approximately 384,216 words of context at once.
Is Nemotron 3 Ultra open source?
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Nemotron 3 Ultra is a proprietary model developed by NVIDIA. The model weights and training data are not publicly available.
Where can I use Nemotron 3 Ultra?
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You can chat with Nemotron 3 Ultra on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access Nemotron 3 Ultra through NVIDIA's own API or platform.