Project AURIONAI Use-Cases Research & Innovation
NVIDIA
LLM

Nemotron 3 Ultra 550B A55B

NVIDIA open-weights model (AA: open weights model, released June 2026).

Accuracy and throughput charts for Nemotron 3 Ultra against other open models.
Levelmodel
ClassLLM
Parameters550B
Context1,000,000
Released4 Jun 2026
Opennessopen source
Runs onmulti-GPU node
Statusactive

Benchmark Results

vendor-reportedindependent
Nemotron 3 Ultra 550B A55B Reasoningindependent
23
03060

Score in index. Higher is better.

rank 36 of 117, Artificial Analysis open-weights model pageartificialanalysis.ai, artificialanalysis.ai
Reasoningindependent
23
03060

Score in index. Higher is better.

AA leaderboard, 205 current models10 Oct 2026 artificialanalysis.ai
Reasoningindependent
23
03060

Score in index. Higher is better.

rank 36 of 117, AA open-weights view, 117 models10 Oct 2026 artificialanalysis.ai
GPQAknowledge and reasoning
vendor-reported
87
050100

Score in %. Higher is better.

MMLU-Proknowledge and reasoning
vendor-reported
86.8
050100

Score in %. Higher is better.

RULERlong context
at 1M contextvendor-reported
94.7
050100

Score in %. Higher is better.

vendor-reported
70.7
050100

Score in %. Higher is better.

third-partyindependent
70.7
050100

Score in %. Higher is better.

Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

instruct offinetunequantize
Nemotron 3 Ultra Base to Nemotron 3 Ultra 550B A55B: instruct of, medium confidenceNemotron 3 Ultra 550B A55B to Nemotron 3 Ultra GenRM: finetune, medium confidenceNemotron 3 Ultra 550B A55B to Nemotron 3 Ultra NVFP4: quantize, high confidenceNemotron 3 Ultra BaseNemotron 3 Ultra BaseNVIDIANemotron 3 Ultra 550B A55BNemotron 3 Ultra 550B A55BNVIDIA, Jun 2026Nemotron 3 Ultra GenRMNemotron 3 Ultra GenRMNVIDIANemotron 3 Ultra NVFP4Nemotron 3 Ultra NVFP4NVIDIA
NVIDIANemotron 3 Ultra Base is the parent (instruct of)medium confidencenotes
NVIDIANemotron 3 Ultra GenRM is a child (finetune)medium confidencenotes
NVIDIANemotron 3 Ultra NVFP4 is a child (quantize)high confidencenotes
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 4 models. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
NVIDIA
Family
Nemotron 3
Released
4 Jun 2026 sourcessecondary report
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
hybrid LatentMoE: Mamba-2 + MoE + attention hybrid, MTP
Total parameters
550B sources
Active parameters
55B
Checkpoint parameters
–
Note
From AA model name
Context length
1,000,000 tokens
Input
text
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open source
Licence
OpenMDW License v1.1 sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
multi-GPU node
Footprint
NVFP4 variant listed at 303B
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
10 to 12 languages listed; no Indonesian
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. leaderboard.steel.dev/leaderboards/swe-bench-verified.md https://leaderboard.steel.dev/leaderboards/swe-bench-verified.md
  2. Nemotron 3 Ultra - Intelligence, Performance & Price Analysis | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/models/nvidia-nemotron-3-ultra-550b-a55b
  3. LLM Leaderboard - Comparison of AI models from OpenAI, Anthropic, Google, SpaceXAI & others | Artificial Analysis artificialanalysis.ai https://artificialanalysis.ai/leaderboards/models
  4. huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
  5. huggingface.co/nvidia https://huggingface.co/nvidia
  6. huggingface.co/nvidia/models?search=nemotron-3 https://huggingface.co/nvidia/models?search=nemotron-3
  7. huggingface.co/api/models/nvidia/NVIDIA-Nemotron-3-Ultra-550... https://huggingface.co/api/models/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Nemotron 3 Ultra 550B A55B", https://aurion.semai.id/models/nvidia-nemotron-3-ultra/, records of October 2026.