---
language:
- en
license: apache-2.0
tags:
- biencoder
- sentence-transformers
- text-classification
- sentence-pair-classification
- semantic-similarity
- semantic-search
- retrieval
- reranking
- generated_from_trainer
- dataset_size:76349300
- loss:ArcFaceInBatchLoss
base_model: Alibaba-NLP/gte-modernbert-base
widget:
- source_sentence: '"How much would I need to narrate a ""Let''s Play"" video in order
to make money from it on YouTube?"'
sentences:
- How much money do people make from YouTube videos with 1 million views?
- '"How much would I need to narrate a ""Let''s Play"" video in order to make money
from it on YouTube?"'
- '"Does the sentence, ""I expect to be disappointed,"" make sense?"'
- source_sentence: '"I appreciate that.'
sentences:
- '"How is the Mariner rewarded in ""The Rime of the Ancient Mariner"" by Samuel
Taylor Coleridge?"'
- '"I appreciate that.'
- I can appreciate that.
- source_sentence: '"""It is very easy to defeat someone, but too hard to win some
one"". What does the previous sentence mean?"'
sentences:
- '"How can you use the word ""visceral"" in a sentence?"'
- '"""It is very easy to defeat someone, but too hard to win some one"". What does
the previous sentence mean?"'
- '"What does ""The loudest one in the room is the weakest one in the room."" Mean?"'
- source_sentence: '" We condemn this raid which is in our view illegal and morally
and politically unjustifiable , " London-based NCRI official Ali Safavi told Reuters
by telephone .'
sentences:
- 'London-based NCRI official Ali Safavi told Reuters : " We condemn this raid ,
which is in our view illegal and morally and politically unjustifiable . "'
- The social awkwardness is complicated by the fact that Marianne is a white girl
living with a black family .
- art's cause, this in my opinion
- source_sentence: '"If you click ""like"" on an old post that someone made on your
wall yet you''re no longer Facebook friends, will they still receive a notification?"'
sentences:
- '"Is there is any two wheeler having a gear box which has the feature ""automatic
neutral"" when the engine is off while it is in gear?"'
- '"If you click ""like"" on an old post that someone made on your wall yet you''re
no longer Facebook friends, will they still receive a notification?"'
- '"If your teenage son posted ""La commedia e finita"" on his Facebook wall, would
you be concerned?"'
datasets:
- redis/langcache-sentencepairs-v2
pipeline_tag: sentence-similarity
library_name: sentence-transformers
metrics:
- cosine_accuracy@1
- cosine_precision@1
- cosine_recall@1
- cosine_ndcg@10
- cosine_mrr@1
- cosine_map@100
- cosine_auc_precision_cache_hit_ratio
- cosine_auc_similarity_distribution
model-index:
- name: Redis fine-tuned BiEncoder model for semantic caching on LangCache
results:
- task:
type: custom-information-retrieval
name: Custom Information Retrieval
dataset:
name: test
type: test
metrics:
- type: cosine_accuracy@1
value: 0.5955802603036876
name: Cosine Accuracy@1
- type: cosine_precision@1
value: 0.5955802603036876
name: Cosine Precision@1
- type: cosine_recall@1
value: 0.5780913232288468
name: Cosine Recall@1
- type: cosine_ndcg@10
value: 0.777639866271746
name: Cosine Ndcg@10
- type: cosine_mrr@1
value: 0.5955802603036876
name: Cosine Mrr@1
- type: cosine_map@100
value: 0.7275779687157514
name: Cosine Map@100
- type: cosine_auc_precision_cache_hit_ratio
value: 0.3639683124583609
name: Cosine Auc Precision Cache Hit Ratio
- type: cosine_auc_similarity_distribution
value: 0.15401896350374616
name: Cosine Auc Similarity Distribution
---
# Redis fine-tuned BiEncoder model for semantic caching on LangCache
This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [Alibaba-NLP/gte-modernbert-base](https://huggingface.co/Alibaba-NLP/gte-modernbert-base) on the [LangCache Sentence Pairs (all)](https://huggingface.co/datasets/redis/langcache-sentencepairs-v2) dataset. It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for sentence pair similarity.
## Model Details
### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [Alibaba-NLP/gte-modernbert-base](https://huggingface.co/Alibaba-NLP/gte-modernbert-base)
- **Maximum Sequence Length:** 100 tokens
- **Output Dimensionality:** 768 dimensions
- **Similarity Function:** Cosine Similarity
- **Training Dataset:**
- [LangCache Sentence Pairs (all)](https://huggingface.co/datasets/redis/langcache-sentencepairs-v2)
- **Language:** en
- **License:** apache-2.0
### Model Sources
- **Documentation:** [Sentence Transformers Documentation](https://sbert.net)
- **Repository:** [Sentence Transformers on GitHub](https://github.com/UKPLab/sentence-transformers)
- **Hugging Face:** [Sentence Transformers on Hugging Face](https://huggingface.co/models?library=sentence-transformers)
### Full Model Architecture
```
SentenceTransformer(
(0): Transformer({'max_seq_length': 100, 'do_lower_case': False, 'architecture': 'ModernBertModel'})
(1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': True, 'pooling_mode_mean_tokens': False, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
)
```
## Usage
### Direct Usage (Sentence Transformers)
First install the Sentence Transformers library:
```bash
pip install -U sentence-transformers
```
Then you can load this model and run inference.
```python
from sentence_transformers import SentenceTransformer
# Download from the 🤗 Hub
model = SentenceTransformer("redis/langcache-embed-v3")
# Run inference
sentences = [
'"If you click ""like"" on an old post that someone made on your wall yet you\'re no longer Facebook friends, will they still receive a notification?"',
'"If you click ""like"" on an old post that someone made on your wall yet you\'re no longer Facebook friends, will they still receive a notification?"',
'"If your teenage son posted ""La commedia e finita"" on his Facebook wall, would you be concerned?"',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 768]
# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities)
# tensor([[1.0000, 1.0000, 0.6758],
# [1.0000, 1.0000, 0.6758],
# [0.6758, 0.6758, 1.0078]], dtype=torch.bfloat16)
```
## Evaluation
### Metrics
#### Custom Information Retrieval
* Dataset: `test`
* Evaluated with ir_evaluator.CustomInformationRetrievalEvaluator
| Metric | Value |
|:-------------------------------------|:-----------|
| cosine_accuracy@1 | 0.5956 |
| cosine_precision@1 | 0.5956 |
| cosine_recall@1 | 0.5781 |
| **cosine_ndcg@10** | **0.7776** |
| cosine_mrr@1 | 0.5956 |
| cosine_map@100 | 0.7276 |
| cosine_auc_precision_cache_hit_ratio | 0.364 |
| cosine_auc_similarity_distribution | 0.154 |
## Training Details
### Training Dataset
#### LangCache Sentence Pairs (all)
* Dataset: [LangCache Sentence Pairs (all)](https://huggingface.co/datasets/redis/langcache-sentencepairs-v2)
* Size: 132,354 training samples
* Columns: anchor
, positive
, and negative
* Approximate statistics based on the first 1000 samples:
| | anchor | positive | negative |
|:--------|:-----------------------------------------------------------------------------------|:-----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|
| type | string | string | string |
| details |
What high potential jobs are there other than computer science?
| What high potential jobs are there other than computer science?
| Why IT or Computer Science jobs are being over rated than other Engineering jobs?
|
| Would India ever be able to develop a missile system like S300 or S400 missile?
| Would India ever be able to develop a missile system like S300 or S400 missile?
| Should India buy the Russian S400 air defence missile system?
|
| water from the faucet is being drunk by a yellow dog
| A yellow dog is drinking water from the faucet
| Childlessness is low in Eastern European countries.
|
* Loss: losses.ArcFaceInBatchLoss
with these parameters:
```json
{
"scale": 20.0,
"similarity_fct": "cos_sim",
"gather_across_devices": false
}
```
### Evaluation Dataset
#### LangCache Sentence Pairs (all)
* Dataset: [LangCache Sentence Pairs (all)](https://huggingface.co/datasets/redis/langcache-sentencepairs-v2)
* Size: 132,354 evaluation samples
* Columns: anchor
, positive
, and negative
* Approximate statistics based on the first 1000 samples:
| | anchor | positive | negative |
|:--------|:-----------------------------------------------------------------------------------|:-----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|
| type | string | string | string |
| details | What high potential jobs are there other than computer science?
| What high potential jobs are there other than computer science?
| Why IT or Computer Science jobs are being over rated than other Engineering jobs?
|
| Would India ever be able to develop a missile system like S300 or S400 missile?
| Would India ever be able to develop a missile system like S300 or S400 missile?
| Should India buy the Russian S400 air defence missile system?
|
| water from the faucet is being drunk by a yellow dog
| A yellow dog is drinking water from the faucet
| Childlessness is low in Eastern European countries.
|
* Loss: losses.ArcFaceInBatchLoss
with these parameters:
```json
{
"scale": 20.0,
"similarity_fct": "cos_sim",
"gather_across_devices": false
}
```
### Training Logs
| Epoch | Step | test_cosine_ndcg@10 |
|:-----:|:----:|:-------------------:|
| -1 | -1 | 0.7776 |
### Framework Versions
- Python: 3.12.3
- Sentence Transformers: 5.1.0
- Transformers: 4.56.0
- PyTorch: 2.8.0+cu128
- Accelerate: 1.10.1
- Datasets: 4.0.0
- Tokenizers: 0.22.0
## Citation
### BibTeX
#### Sentence Transformers
```bibtex
@inproceedings{reimers-2019-sentence-bert,
title = "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks",
author = "Reimers, Nils and Gurevych, Iryna",
booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing",
month = "11",
year = "2019",
publisher = "Association for Computational Linguistics",
url = "https://arxiv.org/abs/1908.10084",
}
```