Model Information
| Slug | nemotron-3-ultra-550b-a55b |
|---|---|
| LLMs.txt | View |
| Release Date | June 4, 2026 New |
Organization
| Name | Nvidia |
|---|---|
| Website | https://www.nvidia.com/en-us/ai/ |
Model Description
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 supports text input and output with a context window of up to 1M tokens. It is suited for long-running agentic workflows, including agent orchestration, coding agents, deep research, and complex enterprise tasks.
It is particularly strong at multi-step reasoning and planning, with high-throughput inference designed for high-volume agent pipelines. It is part of the NVIDIA Nemotron family of open models for agentic AI.
It is particularly strong at multi-step reasoning and planning, with high-throughput inference designed for high-volume agent pipelines. It is part of the NVIDIA Nemotron family of open models for agentic AI.
Available at 18 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
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Cline |
Code
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NVIDIA: Nemotron 3 Ultra (free)
|
nvidia/nemotron-3-ultra-550b-a55b:free
|
$0.00 | $0.00 | ||
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|
Kilo Code |
Code
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NVIDIA: Nemotron 3 Ultra (free)
|
nvidia/nemotron-3-ultra-550b-a55b:free
|
$0.00 | $0.00 | ||
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Naga |
Nemotron 3 Ultra (free)
|
nemotron-3-ultra-550b-a55b:free
|
$0.00 | $0.00 | |||
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|
OpenRouter |
Chat
Code
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Nemotron 3 Ultra (free)
|
nvidia/nemotron-3-ultra-550b-a55b:free
|
$0.00 | $0.00 | ||
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|
TokenReply |
Chat
Code
|
nvidia/nemotron-3-ultra-550b-a55b
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nvidia/nemotron-3-ultra-550b-a55b
|
$0.00 | $0.00 | ||
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|
Cline |
Code
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NVIDIA: Nemotron 3 Ultra
|
nvidia/nemotron-3-ultra-550b-a55b
|
$0.50 | $2.50 | ||
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|
Kilo Code |
Code
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NVIDIA: Nemotron 3 Ultra
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nvidia/nemotron-3-ultra-550b-a55b
|
$0.50 | $2.50 | ||
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Nous Research |
NVIDIA: Nemotron 3 Ultra
|
nvidia/nemotron-3-ultra-550b-a55b
|
$0.50 | $2.50 | |||
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|
OpenRouter |
Chat
Code
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Nemotron 3 Ultra
|
nvidia/nemotron-3-ultra-550b-a55b
|
$0.50 | $2.50 | ||
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Nano-GPT |
Chat
Code
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Nvidia Nemotron 3 Ultra 550B
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nvidia/nemotron-3-ultra-550b-a55b
|
$0.50 | $2.50 | ||
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Nano-GPT |
Chat
Code
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Nvidia Nemotron 3 Ultra 550B Thinking
|
nvidia/nemotron-3-ultra-550b-a55b:thinking
|
$0.50 | $2.50 | ||
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Together AI |
NVIDIA Nemotron 3 Ultra 550B A55B NVFP4
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nvidia/nemotron-3-ultra-550b-a55b
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$0.60 | $3.60 | |||
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Nebius Token Factory |
Nemotron-3-Ultra-550b-a55b
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nvidia/Nemotron-3-Ultra-550b-a55b
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$1.00 | $3.00 | |||
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Krater |
NVIDIA: Nemotron 3 Ultra
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nemotron-3-ultra-550b-a55b
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- | - | |||
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Nvidia |
nemotron-3-ultra-550b-a55b
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nvidia/nemotron-3-ultra-550b-a55b
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- | - | |||
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OpenAdapter |
Chat
Code
|
openadapter
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free/nemotron-3-ultra-550b-a55b
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- | - | ||
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AIMLAPI |
Nemotron 3 Ultra 550B A55B
|
nemotron-3-ultra-550b-a55b
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- | - | |||
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CommandCode AI |
Nemotron 3 Ultra
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nvidia/nemotron-3-ultra-550b-a55b
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- | - |