New: 3 free searches, no sign-up · Free 7-day trial, no credit card

OpenMed-NER-PharmaDetect-BigMed-560M

Detects drug and chemical names in English clinical and research text

Extract biomedical entitiesDrugs and chemicalsEnglishLarge · 559Mapache-2.0

What it does

This model identifies chemical or drug entities in English clinical texts and biomedical literature. It reports an F1 score of 0.953 on the BC5CDR chemicals test set, with a precision of 0.945 and recall of 0.961.

Best for

  • Extracting drug mentions from clinical notes
  • Mining chemical compounds in research papers
  • Identifying medications in patient records

What it detects (1 labels)

  • Chemical or drug

Quality

Benchmark BC5CDR (chemicals) · all models on this benchmark
F10.953
Precision0.945
Recall0.961
Accuracy0.988
SourceReported by the authors (test_results.json in the repository)

Chemical Entity Recognition - Chemical entities from the BC5CDR dataset

Use it

pip install transformers torch

from transformers import pipeline
ner = pipeline("token-classification", model="OpenMed/OpenMed-NER-PharmaDetect-BigMed-560M", aggregation_strategy="simple")
print(ner("Patient prescribed 10 mg aspirin for hypertension."))
Android, browser, CPU (ONNX) build
pip install --upgrade "openmed[onnx-runtime]"

from openmed import OnnxModel
model = OnnxModel.from_pretrained("OpenMed/OpenMed-NER-PharmaDetect-BigMed-560M-v1-onnx-android")
for entity in model("The patient started imatinib after the consultation."):
    print(entity.to_dict())
Apple Silicon (MLX) build
pip install "openmed[mlx]"

from openmed import analyze_text
from openmed.core.config import OpenMedConfig
result = analyze_text("Patient started imatinib in March.", model_name="OpenMed/OpenMed-NER-PharmaDetect-BigMed-560M", config=OpenMedConfig(backend="mlx"))
for e in result.entities:
    print(e.label, e.text)

← All free models

All model information shown here is public and belongs to its authors: use and download it freely under each model’s license. The selection, organization, search design and presentation of this catalog are © 2026 Clinical Corpus. Please link to these pages rather than copy them.