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Open-weight model · Token classification

OpenMed-NER-OrganismDetect-BioPatient-108M

by OpenMed OpenMed/OpenMed-NER-OrganismDetect-BioPatient-108M

Specialized model for Species Entity Recognition - Species names from the Species-800 dataset This model is a state-of-the-art fine-tuned transformer engineered to deliver enterprise-grade accuracy for species entity recognition - species names from the…

Parameters108M
Context512
Weights215.5 MB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads197.2k

Runs On

What it takes to serve OpenMed-NER-OrganismDetect-BioPatient-108M (108M 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 0.2 GB 0.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.1 GB 0.1 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.1 GB 0.1 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.

Model Card

By OpenMed, published under apache-2.0, revision bc18d6d72f86.

Specialized model for Species Entity Recognition - Species names from the Species-800 dataset This model is a state-of-the-art fine-tuned transformer engineered to deliver enterprise-grade accuracy for species entity recognition - species names from the species-800 dataset. This specialized model excels at identifying and extracting biomedical entities from clinical texts, research papers, and healthcare documents, enabling applications such as drug interaction detection, medication extraction from patient records, adverse event monitoring, literature mining for drug discovery, and biomedical knowledge graph construction with production-ready reliability for clinical and research…

Read OpenMed's full model card

Specialized model for Species Entity Recognition - Species names from the Species-800 dataset

Model Overview

This model is a state-of-the-art fine-tuned transformer engineered to deliver enterprise-grade accuracy for species entity recognition - species names from the species-800 dataset. This specialized model excels at identifying and extracting biomedical entities from clinical texts, research papers, and healthcare documents, enabling applications such as drug interaction detection, medication extraction from patient records, adverse event monitoring, literature mining for drug discovery, and biomedical knowledge graph construction with production-ready reliability for clinical and research applications.

Key Features

  • High Precision: Optimized for biomedical entity recognition
  • Domain-Specific: Trained on curated SPECIES800 dataset
  • Production-Ready: Validated on clinical benchmarks
  • Easy Integration: Compatible with Hugging Face Transformers ecosystem

Supported Entity Types

This model can identify and classify the following biomedical entities:

  • B-SPECIES
  • I-SPECIES

Dataset

Species800 is a corpus for species recognition and taxonomy classification in biomedical texts.

The Species800 corpus is a manually annotated dataset designed for species recognition and taxonomic classification in biomedical literature. This corpus contains 800 abstracts with comprehensive annotations for organism mentions, supporting biodiversity informatics and biological taxonomy research. The dataset includes both scientific names and common names of species, making it valuable for developing NER systems that can handle the complexity of biological nomenclature. It serves as a benchmark for evaluating species identification models used in ecological studies, conservation biology, and systematic biology research. The corpus is particularly useful for text mining applications in biodiversity databases and biological literature analysis.

Performance Metrics

Current Model Performance

  • F1 Score: 0.82
  • Precision: 0.81
  • Recall: 0.82
  • Accuracy: 0.96

Comparative Performance on SPECIES800 Dataset

Rank Model F1 Score Precision Recall Accuracy
1 OpenMed-NER-OrganismDetect-BioMed-335M 0.8639 0.8557 0.8722 0.9715
2 OpenMed-NER-OrganismDetect-PubMed-335M 0.8550 0.8370 0.8737 0.9698
3 OpenMed-NER-OrganismDetect-PubMed-109M 0.8458 0.8287 0.8637 0.9690
4 OpenMed-NER-OrganismDetect-MultiMed-335M 0.8441 0.8352 0.8532 0.9670
5 OpenMed-NER-OrganismDetect-SuperClinical-434M 0.8435 0.8291 0.8585 0.9670
6 OpenMed-NER-OrganismDetect-PubMed-109M 0.8349 0.8082 0.8634 0.9685
7 OpenMed-NER-OrganismDetect-MultiMed-568M 0.8313 0.8053 0.8592 0.9703
8 OpenMed-NER-OrganismDetect-ElectraMed-335M 0.8288 0.8176 0.8404 0.9631
9 OpenMed-NER-OrganismDetect-BioPatient-108M 0.8154 0.8140 0.8169 0.9591
10 OpenMed-NER-OrganismDetect-ElectraMed-33M 0.8121 0.7772 0.8503 0.9600

Rankings based on F1-score performance across all models trained on this dataset.

Figure: OpenMed (Open-Source) vs. Latest SOTA (Closed-Source) performance comparison across biomedical NER datasets.

Quick Start

Installation

pip install transformers torch

Usage

from transformers import pipeline

# Load the model and tokenizer
# Model: https://huggingface.co/OpenMed/OpenMed-NER-OrganismDetect-BioPatient-108M
model_name = "OpenMed/OpenMed-NER-OrganismDetect-BioPatient-108M"

# Create a pipeline
medical_ner_pipeline = pipeline(
    model=model_name,
    aggregation_strategy="simple"
)

# Example usage
text = "Caenorhabditis elegans is a model organism for genetic studies."
entities = medical_ner_pipeline(text)

print(entities)

token = entities[0]
print(text[token["start"] : token["end"]])

NOTE: The aggregation_strategy parameter defines how token predictions are grouped into entities. For a detailed explanation, please refer to the Hugging Face documentation.

Here is a summary of the available strategies: - none: Returns raw token predictions without any aggregation. - simple: Groups adjacent tokens with the same entity type (e.g., B-LOC followed by I-LOC). - first: For word-based models, if tokens within a word have different entity tags, the tag of the first token is assigned to the entire word. - average: For word-based models, this strategy averages the scores of tokens within a word and applies the label with the highest resulting score. - max: For word-based models, the entity label from the token with the highest score within a word is assigned to the entire word.

Batch Processing

For efficient processing of large datasets, use proper batching with the batch_size parameter:

texts = [
    "Caenorhabditis elegans is a model organism for genetic studies.",
    "The research focused on Drosophila melanogaster development.",
    "Arabidopsis thaliana serves as a model for plant biology.",
    "The zebrafish, Danio rerio, is widely used for studying vertebrate development.",
    "Neurospora crassa is a type of red bread mold used in genetic research.",
]

# Efficient batch processing with optimized batch size
# Adjust batch_size based on your GPU memory (typically 8, 16, 32, or 64)
results = medical_ner_pipeline(texts, batch_size=8)

for i, entities in enumerate(results):
    print(f"Text {i+1} entities:")
    for entity in entities:
        print(f"  - {entity['word']} ({entity['entity_group']}): {entity['score']:.4f}")

Large Dataset Processing

For processing large datasets efficiently:

from transformers.pipelines.pt_utils import KeyDataset
from datasets import Dataset
import pandas as pd

# Load your data
# Load a medical dataset from Hugging Face
from datasets import load_dataset

# Load a public medical dataset (using a subset for testing)
medical_dataset = load_dataset("BI55/MedText", split="train[:100]")  # Load first 100 examples
data = pd.DataFrame({"text": medical_dataset["Completion"]})
dataset = Dataset.from_pandas(data)

# Process with optimal batching for your hardware
batch_size = 16  # Tune this based on your GPU memory
results = []

for out in medical_ner_pipeline(KeyDataset(dataset, "text"), batch_size=batch_size):
    results.extend(out)

print(f"Processed {len(results)} texts with batching")

Performance Optimization

Batch Size Guidelines: - CPU: Start with batch_size=1-4 - Single GPU: Try batch_size=8-32 depending on GPU memory - High-end GPU: Can handle batch_size=64 or higher - Monitor GPU utilization to find the optimal batch size for your hardware

Memory Considerations:

# For limited GPU memory, use smaller batches
medical_ner_pipeline = pipeline(
    model=model_name,
    aggregation_strategy="simple",
    device=0  # Specify GPU device
)

# Process with memory-efficient batching
for batch_start in range(0, len(texts), batch_size):
    batch = texts[batch_start:batch_start + batch_size]
    batch_results = medical_ner_pipeline(batch, batch_size=len(batch))
    results.extend(batch_results)

Dataset Information

  • Dataset: SPECIES800
  • Description: Species Entity Recognition - Species names from the Species-800 dataset

Training Details

  • Base Model: Bio_Discharge_Summary_BERT
  • Training Framework: Hugging Face Transformers
  • Optimization: AdamW optimizer with learning rate scheduling
  • Validation: Cross-validation on held-out test set

Model Architecture

  • Base Architecture: Bio_Discharge_Summary_BERT
  • Task: Token Classification (Named Entity Recognition)
  • Labels: Dataset-specific entity types
  • Input: Tokenized biomedical text
  • Output: BIO-tagged entity predictions

Use Cases

This model is particularly useful for: - Clinical Text Mining: Extracting entities from medical records - Biomedical Research: Processing scientific literature - Drug Discovery: Identifying chemical compounds and drugs - Healthcare Analytics: Analyzing patient data and outcomes - Academic Research: Supporting biomedical NLP research

License

Licensed under the Apache License 2.0. See LICENSE for details.

Contributing

We welcome contributions of all kinds! Whether you have ideas, feature requests, or want to join our mission to advance open-source Healthcare AI, we'd love to hear from you.

Follow OpenMed Orgon Hugging Face and click "Watch" to stay updated on our latest releases and developments.

Citation

If you use this model in your research or applications, please cite the following paper:

@misc{panahi2025openmedneropensourcedomainadapted,
      title={OpenMed NER: Open-Source, Domain-Adapted State-of-the-Art Transformers for Biomedical NER Across 12 Public Datasets},
      author={Maziyar Panahi},
      year={2025},
      eprint={2508.01630},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2508.01630},
}

Proper citation helps support and acknowledge my work. Thank you!

Configuration

Architecture
BertForTokenClassification
Context length (tokens)
512
Layers
12
Hidden size
768
Feed-forward size
3,072
Attention heads
12
Vocabulary size
28,996
Stored precision
bfloat16
Model type
bert

Identity and Version

Repository
OpenMed/OpenMed-NER-OrganismDetect-BioPatient-108M
Publisher
OpenMed
Task
Token classification
Modality
Text
Library
transformers
Parameters
108M parameters
Languages
en
Revision
bc18d6d72f8687d0a52290ef45f31d25ee471438
First published
2025-07-16
Last updated
2025-08-05

Files and Weights

10 files, 216.9 MB in total. The weights are 1 file totalling 215.5 MB in safetensors.

Weights1 file · 215.5 MB
Configuration3 files · 1.1 KB
Tokenizer3 files · 883.9 KB
Documentation1 file · 11.6 KB
Other1 file · 497.0 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights215.5 MB 52786260f40d
config.jsonConfiguration750 B
special_tokens_map.jsonConfiguration125 B
test_results.jsonConfiguration197 B
README.mdDocumentation11.6 KB
openmed_vs_sota_grouped_bars.pngOther497.0 KB 626b37d9b20c
.gitattributesRepository1.6 KB
tokenizer.jsonTokenizer669.2 KB
tokenizer_config.jsonTokenizer1.3 KB
vocab.txtTokenizer213.4 KB

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
215.5 MB
Download from OpenMed

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

Built From

Memory Requirements

PrecisionWeights in memory
As published215.5 MB
16-bit0.2 GB
8-bit0.1 GB
4-bit0.1 GB

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

Questions About OpenMed-NER-OrganismDetect-BioPatient-108M

How much GPU memory does OpenMed-NER-OrganismDetect-BioPatient-108M need?

About 0.3 GB at 16-bit and 0.1 GB at 4-bit: the weights (108M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run OpenMed-NER-OrganismDetect-BioPatient-108M 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 OpenMed-NER-OrganismDetect-BioPatient-108M commercially?

Yes. OpenMed-NER-OrganismDetect-BioPatient-108M 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 OpenMed-NER-OrganismDetect-BioPatient-108M's context length?

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

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