---
language:
- en
license: apache-2.0
library_name: sentence-transformers
tags:
- sentence-transformers
- sentence-similarity
- feature-extraction
- 100K<n<1M
- loss:MultipleNegativesRankingLoss
base_model: microsoft/mpnet-base
metrics:
- cosine_accuracy
- dot_accuracy
- manhattan_accuracy
- euclidean_accuracy
- max_accuracy
widget:
- source_sentence: The strangely dressed guys, one wearing an orange wig, sunglasses
    with peace signs, and a karate costume with an orannge belt, another wearing a
    curly blue wig, heart shaped sunglasses, and a karate outfit painted with leaves,
    and the third wearing pink underwear, a black afro, and giant sunglasses.
  sentences:
  - A blonde female is reaching into a golf hole while holding two golf balls.
  - There are people wearing outfits.
  - The people are naked.
- source_sentence: A group of children playing and having a good time.
  sentences:
  - The kids are together.
  - The children are reading books.
  - People are pointing at a Middle-aged woman.
- source_sentence: Three children dressed in winter clothes are walking through the
    woods while pushing cargo along.
  sentences:
  - A woman is sitting.
  - Three childre are dressed in summer clothes.
  - Three children are dressed in winter clothes.
- source_sentence: A young child is enjoying the water and rock scenery with their
    dog.
  sentences:
  - The child and dog are enjoying some fresh air.
  - The teenage boy is taking his cat for a walk beside the water.
  - A lady in blue has birds around her.
- source_sentence: 'Boca da Corrida Encumeada (moderate; 5 hours): views of Curral
    das Freiras and the valley of Ribeiro do Poco.'
  sentences:
  - 'Boca da Corrida Encumeada is a moderate text that takes 5 hours to complete. '
  - This chapter is in the advance category.
  - I think it is something that we need.
pipeline_tag: sentence-similarity
co2_eq_emissions:
  emissions: 118.81134392463773
  energy_consumed: 0.30566177669432554
  source: codecarbon
  training_type: fine-tuning
  on_cloud: false
  cpu_model: 13th Gen Intel(R) Core(TM) i7-13700K
  ram_total_size: 31.777088165283203
  hours_used: 1.661
  hardware_used: 1 x NVIDIA GeForce RTX 3090
model-index:
- name: MPNet base trained on AllNLI triplets
  results:
  - task:
      type: triplet
      name: Triplet
    dataset:
      name: all nli dev
      type: all-nli-dev
    metrics:
    - type: cosine_accuracy
      value: 0.9003645200486027
      name: Cosine Accuracy
    - type: dot_accuracy
      value: 0.09705346294046173
      name: Dot Accuracy
    - type: manhattan_accuracy
      value: 0.8968712029161604
      name: Manhattan Accuracy
    - type: euclidean_accuracy
      value: 0.8974787363304981
      name: Euclidean Accuracy
    - type: max_accuracy
      value: 0.9003645200486027
      name: Max Accuracy
  - task:
      type: triplet
      name: Triplet
    dataset:
      name: all nli test
      type: all-nli-test
    metrics:
    - type: cosine_accuracy
      value: 0.9149644424269935
      name: Cosine Accuracy
    - type: dot_accuracy
      value: 0.08564079285822364
      name: Dot Accuracy
    - type: manhattan_accuracy
      value: 0.911484339536995
      name: Manhattan Accuracy
    - type: euclidean_accuracy
      value: 0.9134513542139506
      name: Euclidean Accuracy
    - type: max_accuracy
      value: 0.9149644424269935
      name: Max Accuracy
---

# MPNet base trained on AllNLI triplets

This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [microsoft/mpnet-base](https://huggingface.co/microsoft/mpnet-base) on the [sentence-transformers/all-nli](https://huggingface.co/datasets/sentence-transformers/all-nli) dataset. It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.

## Model Details

### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [microsoft/mpnet-base](https://huggingface.co/microsoft/mpnet-base) <!-- at revision 6996ce1e91bd2a9c7d7f61daec37463394f73f09 -->
- **Maximum Sequence Length:** 512 tokens
- **Output Dimensionality:** 768 tokens
- **Similarity Function:** Cosine Similarity
- **Training Dataset:**
    - [sentence-transformers/all-nli](https://huggingface.co/datasets/sentence-transformers/all-nli)
- **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': 512, 'do_lower_case': False}) with Transformer model: MPNetModel 
  (1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, '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("tomaarsen/mpnet-base-all-nli-triplet")
# Run inference
sentences = [
    'Then he ran.',
    'The people are running.',
    'The man is on his bike.',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 768]

# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities.shape)
# [3, 3]
```

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## Evaluation

### Metrics

#### Triplet
* Dataset: `all-nli-dev`
* Evaluated with [<code>TripletEvaluator</code>](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.TripletEvaluator)

| Metric             | Value      |
|:-------------------|:-----------|
| cosine_accuracy    | 0.9004     |
| dot_accuracy       | 0.0971     |
| manhattan_accuracy | 0.8969     |
| euclidean_accuracy | 0.8975     |
| **max_accuracy**   | **0.9004** |

#### Triplet
* Dataset: `all-nli-test`
* Evaluated with [<code>TripletEvaluator</code>](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.TripletEvaluator)

| Metric             | Value     |
|:-------------------|:----------|
| cosine_accuracy    | 0.915     |
| dot_accuracy       | 0.0856    |
| manhattan_accuracy | 0.9115    |
| euclidean_accuracy | 0.9135    |
| **max_accuracy**   | **0.915** |

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## Training Details

### Training Dataset

#### sentence-transformers/all-nli

* Dataset: [sentence-transformers/all-nli](https://huggingface.co/datasets/sentence-transformers/all-nli) at [d482672](https://huggingface.co/datasets/sentence-transformers/all-nli/tree/d482672c8e74ce18da116f430137434ba2e52fab)
* Size: 100,000 training samples
* Columns: <code>anchor</code>, <code>positive</code>, and <code>negative</code>
* Approximate statistics based on the first 1000 samples:
  |         | anchor                                                                            | positive                                                                          | negative                                                                         |
  |:--------|:----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|:---------------------------------------------------------------------------------|
  | type    | string                                                                            | string                                                                            | string                                                                           |
  | details | <ul><li>min: 7 tokens</li><li>mean: 10.46 tokens</li><li>max: 46 tokens</li></ul> | <ul><li>min: 6 tokens</li><li>mean: 12.81 tokens</li><li>max: 40 tokens</li></ul> | <ul><li>min: 5 tokens</li><li>mean: 13.4 tokens</li><li>max: 50 tokens</li></ul> |
* Samples:
  | anchor                                                                     | positive                                         | negative                                                   |
  |:---------------------------------------------------------------------------|:-------------------------------------------------|:-----------------------------------------------------------|
  | <code>A person on a horse jumps over a broken down airplane.</code>        | <code>A person is outdoors, on a horse.</code>   | <code>A person is at a diner, ordering an omelette.</code> |
  | <code>Children smiling and waving at camera</code>                         | <code>There are children present</code>          | <code>The kids are frowning</code>                         |
  | <code>A boy is jumping on skateboard in the middle of a red bridge.</code> | <code>The boy does a skateboarding trick.</code> | <code>The boy skates down the sidewalk.</code>             |
* Loss: [<code>MultipleNegativesRankingLoss</code>](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#multiplenegativesrankingloss) with these parameters:
  ```json
  {
      "scale": 20.0,
      "similarity_fct": "cos_sim"
  }
  ```

### Evaluation Dataset

#### sentence-transformers/all-nli

* Dataset: [sentence-transformers/all-nli](https://huggingface.co/datasets/sentence-transformers/all-nli) at [d482672](https://huggingface.co/datasets/sentence-transformers/all-nli/tree/d482672c8e74ce18da116f430137434ba2e52fab)
* Size: 6,584 evaluation samples
* Columns: <code>anchor</code>, <code>positive</code>, and <code>negative</code>
* Approximate statistics based on the first 1000 samples:
  |         | anchor                                                                            | positive                                                                         | negative                                                                          |
  |:--------|:----------------------------------------------------------------------------------|:---------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|
  | type    | string                                                                            | string                                                                           | string                                                                            |
  | details | <ul><li>min: 6 tokens</li><li>mean: 17.95 tokens</li><li>max: 63 tokens</li></ul> | <ul><li>min: 4 tokens</li><li>mean: 9.78 tokens</li><li>max: 29 tokens</li></ul> | <ul><li>min: 5 tokens</li><li>mean: 10.35 tokens</li><li>max: 29 tokens</li></ul> |
* Samples:
  | anchor                                                                                                                                                                         | positive                                                    | negative                                                |
  |:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:------------------------------------------------------------|:--------------------------------------------------------|
  | <code>Two women are embracing while holding to go packages.</code>                                                                                                             | <code>Two woman are holding packages.</code>                | <code>The men are fighting outside a deli.</code>       |
  | <code>Two young children in blue jerseys, one with the number 9 and one with the number 2 are standing on wooden steps in a bathroom and washing their hands in a sink.</code> | <code>Two kids in numbered jerseys wash their hands.</code> | <code>Two kids in jackets walk to school.</code>        |
  | <code>A man selling donuts to a customer during a world exhibition event held in the city of Angeles</code>                                                                    | <code>A man selling donuts to a customer.</code>            | <code>A woman drinks her coffee in a small cafe.</code> |
* Loss: [<code>MultipleNegativesRankingLoss</code>](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#multiplenegativesrankingloss) with these parameters:
  ```json
  {
      "scale": 20.0,
      "similarity_fct": "cos_sim"
  }
  ```

### Training Hyperparameters
#### Non-Default Hyperparameters

- `eval_strategy`: steps
- `per_device_train_batch_size`: 16
- `per_device_eval_batch_size`: 16
- `num_train_epochs`: 1
- `warmup_ratio`: 0.1
- `fp16`: True
- `batch_sampler`: no_duplicates

#### All Hyperparameters
<details><summary>Click to expand</summary>

- `overwrite_output_dir`: False
- `do_predict`: False
- `eval_strategy`: steps
- `prediction_loss_only`: True
- `per_device_train_batch_size`: 16
- `per_device_eval_batch_size`: 16
- `per_gpu_train_batch_size`: None
- `per_gpu_eval_batch_size`: None
- `gradient_accumulation_steps`: 1
- `eval_accumulation_steps`: None
- `learning_rate`: 5e-05
- `weight_decay`: 0.0
- `adam_beta1`: 0.9
- `adam_beta2`: 0.999
- `adam_epsilon`: 1e-08
- `max_grad_norm`: 1.0
- `num_train_epochs`: 1
- `max_steps`: -1
- `lr_scheduler_type`: linear
- `lr_scheduler_kwargs`: {}
- `warmup_ratio`: 0.1
- `warmup_steps`: 0
- `log_level`: passive
- `log_level_replica`: warning
- `log_on_each_node`: True
- `logging_nan_inf_filter`: True
- `save_safetensors`: True
- `save_on_each_node`: False
- `save_only_model`: False
- `restore_callback_states_from_checkpoint`: False
- `no_cuda`: False
- `use_cpu`: False
- `use_mps_device`: False
- `seed`: 42
- `data_seed`: None
- `jit_mode_eval`: False
- `use_ipex`: False
- `bf16`: False
- `fp16`: True
- `fp16_opt_level`: O1
- `half_precision_backend`: auto
- `bf16_full_eval`: False
- `fp16_full_eval`: False
- `tf32`: None
- `local_rank`: 0
- `ddp_backend`: None
- `tpu_num_cores`: None
- `tpu_metrics_debug`: False
- `debug`: []
- `dataloader_drop_last`: False
- `dataloader_num_workers`: 0
- `dataloader_prefetch_factor`: None
- `past_index`: -1
- `disable_tqdm`: False
- `remove_unused_columns`: True
- `label_names`: None
- `load_best_model_at_end`: False
- `ignore_data_skip`: False
- `fsdp`: []
- `fsdp_min_num_params`: 0
- `fsdp_config`: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}
- `fsdp_transformer_layer_cls_to_wrap`: None
- `accelerator_config`: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
- `deepspeed`: None
- `label_smoothing_factor`: 0.0
- `optim`: adamw_torch
- `optim_args`: None
- `adafactor`: False
- `group_by_length`: False
- `length_column_name`: length
- `ddp_find_unused_parameters`: None
- `ddp_bucket_cap_mb`: None
- `ddp_broadcast_buffers`: False
- `dataloader_pin_memory`: True
- `dataloader_persistent_workers`: False
- `skip_memory_metrics`: True
- `use_legacy_prediction_loop`: False
- `push_to_hub`: False
- `resume_from_checkpoint`: None
- `hub_model_id`: None
- `hub_strategy`: every_save
- `hub_private_repo`: False
- `hub_always_push`: False
- `gradient_checkpointing`: False
- `gradient_checkpointing_kwargs`: None
- `include_inputs_for_metrics`: False
- `eval_do_concat_batches`: True
- `fp16_backend`: auto
- `push_to_hub_model_id`: None
- `push_to_hub_organization`: None
- `mp_parameters`: 
- `auto_find_batch_size`: False
- `full_determinism`: False
- `torchdynamo`: None
- `ray_scope`: last
- `ddp_timeout`: 1800
- `torch_compile`: False
- `torch_compile_backend`: None
- `torch_compile_mode`: None
- `dispatch_batches`: None
- `split_batches`: None
- `include_tokens_per_second`: False
- `include_num_input_tokens_seen`: False
- `neftune_noise_alpha`: None
- `optim_target_modules`: None
- `batch_eval_metrics`: False
- `batch_sampler`: no_duplicates
- `multi_dataset_batch_sampler`: proportional

</details>

### Training Logs
| Epoch | Step | Training Loss | loss   | all-nli-dev_max_accuracy | all-nli-test_max_accuracy |
|:-----:|:----:|:-------------:|:------:|:------------------------:|:-------------------------:|
| 0     | 0    | -             | -      | 0.6832                   | -                         |
| 0.016 | 100  | 2.6355        | 1.0725 | 0.7924                   | -                         |
| 0.032 | 200  | 0.9206        | 0.8342 | 0.8080                   | -                         |
| 0.048 | 300  | 1.2567        | 0.7855 | 0.8133                   | -                         |
| 0.064 | 400  | 0.7949        | 0.8857 | 0.7974                   | -                         |
| 0.08  | 500  | 0.7583        | 0.9487 | 0.7872                   | -                         |
| 0.096 | 600  | 1.0022        | 1.1312 | 0.7848                   | -                         |
| 0.112 | 700  | 0.8178        | 1.2282 | 0.7895                   | -                         |
| 0.128 | 800  | 0.9997        | 1.5132 | 0.7488                   | -                         |
| 0.144 | 900  | 1.1173        | 1.4605 | 0.7473                   | -                         |
| 0.16  | 1000 | 1.0089        | 1.3794 | 0.7543                   | -                         |
| 0.176 | 1100 | 1.0235        | 1.4188 | 0.7640                   | -                         |
| 0.192 | 1200 | 1.0031        | 1.2465 | 0.7570                   | -                         |
| 0.208 | 1300 | 0.8286        | 1.4176 | 0.7426                   | -                         |
| 0.224 | 1400 | 0.8411        | 1.1914 | 0.7600                   | -                         |
| 0.24  | 1500 | 0.8389        | 1.1719 | 0.7820                   | -                         |
| 0.256 | 1600 | 0.7144        | 1.1167 | 0.7691                   | -                         |
| 0.272 | 1700 | 0.881         | 1.0747 | 0.7902                   | -                         |
| 0.288 | 1800 | 0.8657        | 1.1576 | 0.7966                   | -                         |
| 0.304 | 1900 | 0.7323        | 1.0122 | 0.8322                   | -                         |
| 0.32  | 2000 | 0.6578        | 1.1248 | 0.8273                   | -                         |
| 0.336 | 2100 | 0.6037        | 1.1194 | 0.8269                   | -                         |
| 0.352 | 2200 | 0.641         | 1.1410 | 0.8341                   | -                         |
| 0.368 | 2300 | 0.7843        | 1.0600 | 0.8328                   | -                         |
| 0.384 | 2400 | 0.8222        | 0.9988 | 0.8161                   | -                         |
| 0.4   | 2500 | 0.7287        | 1.2026 | 0.8395                   | -                         |
| 0.416 | 2600 | 0.6035        | 0.8802 | 0.8273                   | -                         |
| 0.432 | 2700 | 0.8275        | 1.1631 | 0.8458                   | -                         |
| 0.448 | 2800 | 0.8483        | 0.9218 | 0.8316                   | -                         |
| 0.464 | 2900 | 0.8813        | 1.1187 | 0.8147                   | -                         |
| 0.48  | 3000 | 0.7408        | 0.9582 | 0.8246                   | -                         |
| 0.496 | 3100 | 0.7886        | 0.9364 | 0.8261                   | -                         |
| 0.512 | 3200 | 0.6064        | 0.8338 | 0.8302                   | -                         |
| 0.528 | 3300 | 0.6415        | 0.7895 | 0.8650                   | -                         |
| 0.544 | 3400 | 0.5766        | 0.7525 | 0.8571                   | -                         |
| 0.56  | 3500 | 0.6212        | 0.8605 | 0.8572                   | -                         |
| 0.576 | 3600 | 0.5773        | 0.7460 | 0.8419                   | -                         |
| 0.592 | 3700 | 0.6104        | 0.7480 | 0.8580                   | -                         |
| 0.608 | 3800 | 0.5754        | 0.7215 | 0.8657                   | -                         |
| 0.624 | 3900 | 0.5525        | 0.7900 | 0.8630                   | -                         |
| 0.64  | 4000 | 0.7802        | 0.7443 | 0.8612                   | -                         |
| 0.656 | 4100 | 0.9796        | 0.7756 | 0.8748                   | -                         |
| 0.672 | 4200 | 0.9355        | 0.6917 | 0.8796                   | -                         |
| 0.688 | 4300 | 0.7081        | 0.6442 | 0.8832                   | -                         |
| 0.704 | 4400 | 0.6868        | 0.6395 | 0.8891                   | -                         |
| 0.72  | 4500 | 0.5964        | 0.5983 | 0.8820                   | -                         |
| 0.736 | 4600 | 0.6618        | 0.5754 | 0.8861                   | -                         |
| 0.752 | 4700 | 0.6957        | 0.6177 | 0.8803                   | -                         |
| 0.768 | 4800 | 0.6375        | 0.5577 | 0.8881                   | -                         |
| 0.784 | 4900 | 0.5481        | 0.5496 | 0.8835                   | -                         |
| 0.8   | 5000 | 0.6626        | 0.5728 | 0.8949                   | -                         |
| 0.816 | 5100 | 0.5192        | 0.5329 | 0.8935                   | -                         |
| 0.832 | 5200 | 0.5856        | 0.5188 | 0.8935                   | -                         |
| 0.848 | 5300 | 0.5142        | 0.5252 | 0.8920                   | -                         |
| 0.864 | 5400 | 0.6404        | 0.5641 | 0.8885                   | -                         |
| 0.88  | 5500 | 0.5466        | 0.5209 | 0.8929                   | -                         |
| 0.896 | 5600 | 0.575         | 0.5170 | 0.8961                   | -                         |
| 0.912 | 5700 | 0.626         | 0.5095 | 0.9001                   | -                         |
| 0.928 | 5800 | 0.5631        | 0.4817 | 0.8984                   | -                         |
| 0.944 | 5900 | 0.7301        | 0.4996 | 0.8984                   | -                         |
| 0.96  | 6000 | 0.7712        | 0.5160 | 0.9014                   | -                         |
| 0.976 | 6100 | 0.6203        | 0.5000 | 0.9007                   | -                         |
| 0.992 | 6200 | 0.0005        | 0.4996 | 0.9004                   | -                         |
| 1.0   | 6250 | -             | -      | -                        | 0.9150                    |


### Environmental Impact
Carbon emissions were measured using [CodeCarbon](https://github.com/mlco2/codecarbon).
- **Energy Consumed**: 0.306 kWh
- **Carbon Emitted**: 0.119 kg of CO2
- **Hours Used**: 1.661 hours

### Training Hardware
- **On Cloud**: No
- **GPU Model**: 1 x NVIDIA GeForce RTX 3090
- **CPU Model**: 13th Gen Intel(R) Core(TM) i7-13700K
- **RAM Size**: 31.78 GB

### Framework Versions
- Python: 3.11.6
- Sentence Transformers: 3.0.0.dev0
- Transformers: 4.41.1
- PyTorch: 2.3.0+cu121
- Accelerate: 0.30.1
- Datasets: 2.19.1
- Tokenizers: 0.19.1

## 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",
}
```

#### MultipleNegativesRankingLoss
```bibtex
@misc{henderson2017efficient,
    title={Efficient Natural Language Response Suggestion for Smart Reply}, 
    author={Matthew Henderson and Rami Al-Rfou and Brian Strope and Yun-hsuan Sung and Laszlo Lukacs and Ruiqi Guo and Sanjiv Kumar and Balint Miklos and Ray Kurzweil},
    year={2017},
    eprint={1705.00652},
    archivePrefix={arXiv},
    primaryClass={cs.CL}
}
```

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