NvidiaReleased on Jun 4, 2026

Nemotron 3 Ultra (550B A55B): API Pricing, Context Window & Benchmarks

Nemotron 3 Ultra (550B A55B) is a language model from Nvidia, released in June 2026.

Nemotron 3 Ultra is NVIDIA's frontier-scale open model with 550B total / 55B active parameters, built for agentic reasoning, long-context analysis, tool use, and high-stakes RAG. It uses a hybrid Latent Mixture-of-Experts (LatentMoE)

Nemotron 3 Ultra (550B A55B) benchmarks

Rankings

Quality Tracker

Nemotron 3 Ultra (550B A55B) Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Sat Jul 18 2026
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Nemotron 3 Ultra (550B A55B) model size

Nemotron 3 Ultra (550B A55B) has 550 billion parameters and was trained on 20 trillion tokens. See how it compares to other models in the same parameter range.

ParametersTraining tokens
550BMoE
20Ttokens
36× tokens-to-params ratio
Frontier (200B+)
550B
1B7B70B405B

Nemotron 3 Ultra (550B A55B) API

Available from the model provider

Nemotron 3 Ultra (550B A55B) has an official provider API. It is not currently routed through the LLM Stats gateway.

Read the official API documentation

Nemotron 3 Ultra (550B A55B) latency

Nemotron 3 Ultra (550B A55B) time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Nemotron 3 Ultra (550B A55B) examples

Recent arena outputs from Nemotron 3 Ultra (550B A55B), picked from the highest-ranked matchups.

Nemotron 3 Ultra (550B A55B) license

Nemotron 3 Ultra (550B A55B) is released under the OpenMDW License v1.1 license, which permits commercial use, has 550.0B parameters, has a knowledge cutoff of September 2025.

License
OpenMDW License v1.1
Commercial use allowed
Parameters
550.0B
Knowledge cutoff
September 2025

Open Model, Data and Weights (OpenMDW) License Agreement, version 1.1 - permits commercial and non-commercial use.

Nemotron 3 Ultra (550B A55B) resources

Official sources for Nemotron 3 Ultra (550B A55B): api documentation, paper or system card, source repository.

Nemotron 3 Ultra (550B A55B) vs other models

The most-compared alternatives to Nemotron 3 Ultra (550B A55B) are GPT-5 High, GPT-5.2 Pro, Claude Opus 4.5. Open any pair side-by-side for benchmarks, pricing, context, and latency.

Models like Nemotron 3 Ultra (550B A55B)

Models ranked just above and below Nemotron 3 Ultra (550B A55B) by LLM Stats score.

 

GPT-5 High

Score pending
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GPT-5.2 Pro

Score pending
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Claude Opus 4.5

Score pending
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LongCat-Flash-Thinking-2601

Score pending
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ERNIE 5.0

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Claude 3.7 Sonnet

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FAQ

Common questions about Nemotron 3 Ultra (550B A55B).

When was Nemotron 3 Ultra (550B A55B) released?

Nemotron 3 Ultra (550B A55B) was released on June 4, 2026 by Nvidia. This is the official Nemotron 3 Ultra (550B A55B) release date tracked on LLM Stats.

Is Nemotron 3 Ultra (550B A55B) available via API?

Yes, Nemotron 3 Ultra (550B A55B) is available via API. See the official documentation for authentication and endpoint details.

How big is Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) has 550 billion parameters. It was trained on 20.0 trillion tokens. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) was created by Nvidia.

What is the license for Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) is released under the OpenMDW License v1.1 license. This is an open-source / open-weight license that permits self-hosting.

What is the knowledge cutoff date for Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) has a knowledge cutoff of September 2025, meaning it was trained on data up to that point and may not know about events after it.

Where is the Nemotron 3 Ultra (550B A55B) paper or technical report?

Nemotron 3 Ultra (550B A55B) has a paper or technical report available at https://research.nvidia.com/labs/nemotron/files/NVIDIA-Nemotron-3-Ultra-Technical-Report.pdf. Use that source for architecture, training, release and evaluation details.

What models should I compare Nemotron 3 Ultra (550B A55B) against?

Common Nemotron 3 Ultra (550B A55B) comparisons include Nemotron 3 Ultra (550B A55B) vs GPT-5 High, Nemotron 3 Ultra (550B A55B) vs GPT-5.2 Pro, Nemotron 3 Ultra (550B A55B) vs Claude Opus 4.5. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.