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Open-weight model · Sentence similarity

Nemotron-3-Embed-1B-BF16

by NVIDIA nvidia/Nemotron-3-Embed-1B-BF16

NVIDIA Nemotron 3 Embed Nemotron-3-Embed-1B-BF16 is a versatile text embedding model trained by NVIDIA and optimized for retrieval and semantic similarity tasks.

Parameters1.1B
Context262,144
Weights2.3 GB
Licenseother
AccessOpen weights
Monthly Downloads665.9k

Runs On

What it takes to serve Nemotron-3-Embed-1B-BF16 (1.1B parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 2.3 GB 2.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 1.1 GB 1.4 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.6 GB 0.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 18, 2026.

SAVRN's Notes on Nemotron-3-Embed-1B-BF16

Embedding is where a retrieval stack starts, and this is NVIDIA's model for that step: text in, vectors out, evaluated across 34 languages. At 16-bit the weights are 2.3 GB and the run needs 2.7 GB, so the cheapest setup we track, one 192 GB MI300X at $1.85 per hour on demand, barely notices it. Nobody buys a card for this. You park it beside the generation model it feeds. The 262,144-token context length changes how you chunk, since a whole filing can go in as one input.

The license reads as other, with no summary in our file, so read NVIDIA's terms before commercial use. It is derived from Ministral-3-3B-Instruct-2512, so check whether that base carries conditions of its own. Access is open, and no Index host prices it by the token today, which leaves the hour rate and the power as the whole cost.

Model Card

NVIDIA Nemotron 3 Embed Nemotron-3-Embed-1B-BF16 is a versatile text embedding model trained by NVIDIA and optimized for retrieval and semantic similarity tasks. It provides strong multilingual and cross-lingual retrieval capabilities and is designed to serve as a foundational component in text-based Retrieval-Augmented Generation (RAG) systems. This model was evaluated across 34 languages: English, Arabic, Assamese, Bengali, Bulgarian, Chinese, Danish, Dutch, Finnish, French, German, Hindi, Hinglish, Indonesian, Italian, Japanese, Korean, Malay, Marathi, Nepali, Norwegian, Persian, Portuguese, Romanian, Russian, Spanish, Swahili, Swedish, Tamil, Telugu, Thai, Ukrainian, Urdu, Vietnamese.…

Excerpt from the card by NVIDIA, licensed other.

Configuration

Architecture
Ministral3Model
Context length (tokens)
262,144
Layers
16
Hidden size
2,048
Feed-forward size
6,144
Attention heads
24
Key/value heads
8
Head dimension
128
Vocabulary size
131,072
RoPE base
1e+06
Model type
ministral3

Identity and Version

Repository
nvidia/Nemotron-3-Embed-1B-BF16
Publisher
NVIDIA
Task
Sentence similarity
Modality
Text
Library
sentence-transformers
Parameters
1.1B parameters
Languages
en, ar, as, bn, bg, zh, da, nl
Revision
c0c9fea93ea424587517f2c59e20db9f1d6bf615
First published
2026-07-14
Last updated
2026-08-27

Files and Weights

15 files, 2.3 GB in total. The weights are 1 file totalling 2.3 GB in safetensors.

Weights1 file · 2.3 GB
Configuration6 files · 11.0 KB
Tokenizer2 files · 17.1 MB
Documentation5 files · 67.8 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights2.3 GB f959c3b04e66
1_Pooling/config.jsonConfiguration298 B
config.jsonConfiguration1.1 KB
config_sentence_transformers.jsonConfiguration261 B
model.safetensors.index.jsonConfiguration8.9 KB
modules.jsonConfiguration350 B
sentence_bert_config.jsonConfiguration56 B
CONTRIBUTING.mdDocumentation2.5 KB
LICENSEDocumentation2.8 KB
NOTICEDocumentation1.4 KB
README.mdDocumentation36.3 KB
THIRD_PARTY_NOTICES.mdDocumentation24.8 KB
.gitattributesRepository1.6 KB
tokenizer.jsonTokenizer17.1 MB 797410dfb649
tokenizer_config.jsonTokenizer21.1 KB

License and Download

License
other
Access
Open weights, no gate
Download size
2.3 GB
Download from NVIDIA

Released by NVIDIA through its official repository on Hugging Face.

Built From

  • Derived from mistralai/Ministral-3-3B-Instruct-2512
  • Described by arXiv:2407.14679
  • Described by arXiv:2502.13595

Memory Requirements

PrecisionWeights in memory
As published2.3 GB
16-bit2.3 GB
8-bit1.1 GB
4-bit0.6 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About Nemotron-3-Embed-1B-BF16

How much GPU memory does Nemotron-3-Embed-1B-BF16 need?

About 2.7 GB at 16-bit and 0.7 GB at 4-bit: the weights (1.1B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Nemotron-3-Embed-1B-BF16 on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

What license is Nemotron-3-Embed-1B-BF16 released under?

other, as its publisher declares it. Read the license text before commercial use.

What is Nemotron-3-Embed-1B-BF16's context length?

262,144 tokens, from the maximum position embeddings in its published configuration.

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