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NVIDIA Nemotron 3 Nano 30B-A3B vs NVIDIA Nemotron 3 Ultra 550B-A55B

Put two to four models side by side on the fields that decide a deployment: context, price, region, license, languages, hosting, and what is verified.

NVIDIA Nemotron 3 Nano 30B-A3BNVIDIA Nemotron 3 Ultra 550B-A55B
Provider NVIDIANVIDIA
Parameters 31.6B560.5B
Context window Not verified: the provider has not documented this claim.Not verified: the provider has not documented this claim.
License otherother
Modalities texttext
Release date 04 Dec 202503 Jun 2026
Languages Strong: en, es, fr, de, it
Adequate: ja		Strong: en, fr, es, it, de, pt
Adequate: ja, ko, hi, ar, zh, he, mtp
Open weights yesyes
Tasks Reasoning, Low cost, Multilingual supportReasoning, Coding, Multilingual support

Where two models differ, this table shows the difference and stops. LLM EU publishes no winner badge without a documented score for that task, and a missing figure stays missing instead of becoming a zero.

When to use it

NVIDIA Nemotron 3 Nano 30B-A3B

Strengths

  • open weights are published on Hugging Face and can be downloaded without a vendor agreement
  • the model page lists 5 languages the European Union publishes in, including en, es, fr, de

Limits

  • catalogue only — LLM EU does not run this model, and nothing on this card implies an LLM EU endpoint
  • no evaluation has been run by LLM EU
  • the nvidia-nemotron-open-model-license (other) licence is a custom agreement whose commercial terms were not established from its published text, so commercial serving is not permitted until a human clears it; the router must not route to it
  • the published configuration records no context window, so the card carries none
  • at 31.6B parameters, self-hosting needs a high-memory accelerator

Tasks

Reasoning, Low cost, Multilingual support

NVIDIA Nemotron 3 Ultra 550B-A55B

Strengths

  • open weights are published on Hugging Face and can be downloaded without a vendor agreement
  • the model page lists 6 languages the European Union publishes in, including en, fr, es, it

Limits

  • catalogue only — LLM EU does not run this model, and nothing on this card implies an LLM EU endpoint
  • no evaluation has been run by LLM EU
  • the openmdw-1.1 (other) licence is a custom agreement whose commercial terms were not established from its published text, so commercial serving is not permitted until a human clears it; the router must not route to it
  • the published configuration records no context window, so the card carries none
  • at 560.5B parameters, self-hosting needs a multi-node deployment rather than a single server

Tasks

Reasoning, Coding, Multilingual support

Tasks: Reasoning, Multilingual support

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