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Open-weight model · Sentence similarity

snowflake-arctic-embed-s

by Snowflake Snowflake/snowflake-arctic-embed-s

12/04/2024: Release of snowflake-arctic-embed-l-v2.0 and snowflake-arctic-embed-m-v2.0 our newest models with multilingual workloads in mind. These models outperform prior versions of Arctic Embed and we suggest these replace prior versions!

Parameters33M
Context512
Weights556.3 MB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads495.9k

Runs On

What it takes to serve snowflake-arctic-embed-s (33M 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 0.1 GB 0.1 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.0 GB 0.0 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.0 GB 0.0 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 snowflake-arctic-embed-s

Embedding text for search is the job here: 33 million parameters in a 12-layer BERT body, up to 512 tokens per passage, one vector out. At 16-bit the weights take 0.1 GB and working memory is 0.1 GB, so the cheapest card in our table, one MI300X with 192 GB at $1.85 per hour on-demand, is wildly oversized. It belongs on a GPU already running something else, or in the ONNX build the publisher ships.

Apache 2.0 allows commercial use, modification and redistribution with the license and NOTICE file kept intact, so an index built on it can ship inside a product. Check two things. The 512-token ceiling means longer documents get chunked before embedding. And the publisher's notes say the December 2024 l-v2.0 and m-v2.0 releases were meant to replace earlier versions, so this one is a choice made on size, not on being current.

Model Card

By Snowflake, published under apache-2.0, revision e596f5074675.

Snowflake's Arctic-embed-s

News | Models | Usage | Evaluation | Contact | FAQ License | Acknowledgement

News

12/04/2024: Release of snowflake-arctic-embed-l-v2.0 and snowflake-arctic-embed-m-v2.0 our newest models with multilingual workloads in mind. These models outperform prior versions of Arctic Embed and we suggest these replace prior versions!

07/26/2024: Release preprint [2407.18887] Embedding And Clustering Your Data Can Improve Contrastive Pretraining on arXiv.

07/18/2024: Release of snowflake-arctic-embed-m-v1.5, capable of producing highly compressible embedding vectors that preserve quality even when squished as small as 128 bytes per vector. Details about the development of this model are available in the launch post on the Snowflake engineering blog.

05/10/2024: Release the technical report on Arctic Embed

04/16/2024: Release the ** snowflake-arctic-embed ** family of text embedding models. The releases are state-of-the-art for Retrieval quality at each of their representative size profiles. Technical Report is coming shortly. For more details, please refer to our Github: Arctic-Text-Embed.

Models

Read the full model card (1,226 words)

Configuration

Architecture
BertModel
Context length (tokens)
512
Layers
12
Hidden size
384
Feed-forward size
1,536
Attention heads
12
Vocabulary size
30,522
Stored precision
float32
Model type
bert

Identity and Version

Repository
Snowflake/snowflake-arctic-embed-s
Publisher
Snowflake
Task
Sentence similarity
Modality
Text
Library
sentence-transformers
Parameters
33M parameters
Languages
Not stated by the source
Revision
e596f507467533e48a2e17c007f0e1dacc837b33
First published
2024-04-12
Last updated
2024-12-04

Files and Weights

19 files, 557.3 MB in total. The weights are 8 files totalling 556.3 MB in onnx, safetensors.

Weights8 files · 556.3 MB
Configuration6 files · 2.4 KB
Tokenizer3 files · 944.6 KB
Documentation1 file · 85.0 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights132.9 MB 0350e62666ee
onnx/model.onnxWeights133.1 MB 579c1f1778a0
onnx/model_bnb4.onnxWeights60.1 MB d64ac12cbecb
onnx/model_fp16.onnxWeights66.7 MB 625ce8535c40
onnx/model_int8.onnxWeights34.0 MB f93ff2253206
onnx/model_q4.onnxWeights61.4 MB 7f9d33ed2f31
onnx/model_quantized.onnxWeights34.0 MB f93ff2253206
onnx/model_uint8.onnxWeights34.0 MB 91426c592b39
1_Pooling/config.jsonConfiguration296 B
config.jsonConfiguration703 B
config_sentence_transformers.jsonConfiguration252 B
modules.jsonConfiguration349 B
sentence_bert_config.jsonConfiguration107 B
special_tokens_map.jsonConfiguration695 B
README.mdDocumentation85.0 KB
.gitattributesRepository1.5 KB
tokenizer.jsonTokenizer711.6 KB
tokenizer_config.jsonTokenizer1.4 KB
vocab.txtTokenizer231.5 KB

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
556.3 MB
Download from Snowflake

Released by Snowflake through its official repository on Hugging Face. Read the license.

Built From

  • Described by arXiv:2405.05374
  • Described by arXiv:2407.18887

Evaluations

Each result is shown as reported, with the conditions its reporter stated. None is a SAVRN measurement. A comparison lines two results up only when their configuration, unit and setup are all stated and identical.

BenchmarkConditionsResultReported byRevisionDate
MTEB AmazonCounterfactualClassification (en) Configuration enTask ClassificationMetric accuracyComparison conditions not established 71.1791 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonCounterfactualClassification (en) Configuration enTask ClassificationMetric apComparison conditions not established 33.1583 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonCounterfactualClassification (en) Configuration enTask ClassificationMetric f1Comparison conditions not established 64.8621 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonPolarityClassification Configuration defaultTask ClassificationMetric accuracyComparison conditions not established 78.7503 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonPolarityClassification Configuration defaultTask ClassificationMetric apComparison conditions not established 72.8324 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonPolarityClassification Configuration defaultTask ClassificationMetric f1Comparison conditions not established 78.6397 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonReviewsClassification (en) Configuration enTask ClassificationMetric accuracyComparison conditions not established 38.264 Snowflake
Publisher reported
Evaluated revision not stated
MTEB AmazonReviewsClassification (en) Configuration enTask ClassificationMetric f1Comparison conditions not established 37.1403 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric map_at_1Comparison conditions not established 32.646 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric map_at_10Comparison conditions not established 48.372 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric map_at_100Comparison conditions not established 49.207 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric map_at_1000Comparison conditions not established 49.214 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric map_at_3Comparison conditions not established 43.611 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric map_at_5Comparison conditions not established 46.601 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric mrr_at_1Comparison conditions not established 33.144 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric mrr_at_10Comparison conditions not established 48.557 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric mrr_at_100Comparison conditions not established 49.385 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric mrr_at_1000Comparison conditions not established 49.392 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric mrr_at_3Comparison conditions not established 43.777 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric mrr_at_5Comparison conditions not established 46.792 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric ndcg_at_1Comparison conditions not established 32.646 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric ndcg_at_10Comparison conditions not established 56.874 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric ndcg_at_100Comparison conditions not established 60.307 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric ndcg_at_1000Comparison conditions not established 60.466 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric ndcg_at_3Comparison conditions not established 47.34 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric ndcg_at_5Comparison conditions not established 52.685 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric precision_at_1Comparison conditions not established 32.646 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric precision_at_10Comparison conditions not established 8.378 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric precision_at_100Comparison conditions not established 0.984 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric precision_at_1000Comparison conditions not established 0.1 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric precision_at_3Comparison conditions not established 19.393 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric precision_at_5Comparison conditions not established 14.211 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric recall_at_1Comparison conditions not established 32.646 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric recall_at_10Comparison conditions not established 83.784 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric recall_at_100Comparison conditions not established 98.435 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric recall_at_1000Comparison conditions not established 99.644 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric recall_at_3Comparison conditions not established 58.179 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArguAna Configuration defaultTask RetrievalMetric recall_at_5Comparison conditions not established 71.053 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArxivClusteringP2P Configuration defaultTask ClusteringMetric v_measureComparison conditions not established 44.9435 Snowflake
Publisher reported
Evaluated revision not stated
MTEB ArxivClusteringS2S Configuration defaultTask ClusteringMetric v_measureComparison conditions not established 35.8708 Snowflake
Publisher reported
Evaluated revision not stated

Memory Requirements

PrecisionWeights in memory
As published556.3 MB
16-bit0.1 GB
8-bit0.0 GB
4-bit0.0 GB

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

Compare snowflake-arctic-embed-s

Questions About snowflake-arctic-embed-s

How much GPU memory does snowflake-arctic-embed-s need?

About 0.1 GB at 16-bit and 0 GB at 4-bit: the weights (33M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run snowflake-arctic-embed-s 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.

Can I use snowflake-arctic-embed-s commercially?

Yes. snowflake-arctic-embed-s is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

What is snowflake-arctic-embed-s's context length?

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

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