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NVIDIA Nemotron 3 Nano 30B-A3B

Active Parameters

3.5B

Context Length

1M

Modality

Text

Architecture

Mixture of Experts

KV Cache Rate

52 KB/tok

License

NVIDIA Open Model License

Release Date

15 Dec 2025

Knowledge Cutoff

Nov 2025

API Pricing (per 1M)

Input: $0.06 · Output: $0.24

Hardware Sizing

Precision

Context

Workload Memory: 18.51 GB

INT4 · 8K context

Base Weights: 15.60 GB

KV Cache: 0.41 GB

Runtime & Graphs: 2.50 GB

Minimum Required Hardware

1x NVIDIA L4 24GB

18.5 / 21.6 GB usable

2x RTX 4090 24GB

18.5 / 43.2 GB usable · TP 2

Apple M3 Pro 36GB

18.5 / 27.0 GB usable

Determine requirements for your specific workload:

Open in VRAM Calculator

Architecture Diagram

Input TokensToken EmbeddingPosition: AbsoluteHidden: 2.7k · Context: 1M · Vocab: 131.1kx 52 layersRMSNormPre-AttentionMulti-Head Attention32Q / 2KV headsHead dim: 128+RMSNormPre-FFNSparse MoE FFN (6/129 experts)ReLU²Intermediate: 1.9k+Final RMSNormOutput Logits

Evaluation Benchmarks

Rank

#148

BenchmarkScoreRank

Professional Knowledge

MMLU Pro

0.783

33

Graduate-Level QA

GPQA

0.75

76

Agentic Index

Artificial Analysis
auto

1

115

0.14

141

General Text

Text Arena

1314

162

Intelligence Index

Artificial Analysis
auto

0.09

Standard

0.07

247

274

Rankings

Overall Rank

#148

Coding Rank

#144

About NVIDIA Nemotron 3 Nano 30B-A3B

Nemotron 3 Nano 30B-A3B is an open hybrid MoE model from NVIDIA combining Mamba-2 state-space layers with attention for efficient long-context execution. It activates 6 experts across a 1M context window for high-speed agentic systems.

Technical Specifications

Attention

Attention Structure

Multi-Head Attention

Attention Heads

32

Key-Value Heads

2

Attention Head Dimension

128

Position Embedding

Absolute Position Embedding

RoPE Theta

10,000

Normalization

RMS Normalization

Activation Function

ReLU2

Dimensions

Hidden Dimension Size

2,688

Number of Layers

52

FFN Intermediate Size (Dense)

1,856

Tokenizer

Vocabulary Size

131,072

Mixture of Experts

Total Expert Parameters

30.0B

Number of Experts

129

Active Experts

6

Shared Experts

1

FFN Intermediate Size (per Expert)

1,856

About Nemotron 3

Nemotron 3 is NVIDIA's family of open models delivering leading efficiency and accuracy for agentic AI applications. Utilizing hybrid Mamba-Transformer MoE architecture with Latent MoE design, the models support up to 1M token context and feature Multi-Token Prediction for improved generation efficiency. The Nano variant outperforms comparable models while maintaining extreme cost-efficiency.


Other Nemotron 3 Models
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