Finds chemical or drug names in English biomedical literature
Extract biomedical entitiesDrugs and chemicalsEnglishLarge · 434Mapache-2.0
What it does
This model identifies chemical or drug entities in English biomedical literature, including clinical texts and research papers. It reports an F1 score of 0.947 on the BC4CHEMD test set, with 434M parameters and a maximum sequence length of 512 tokens.
Best for
- Drug interaction detection from clinical texts
- Medication extraction from patient records
- Chemical compound mining in research papers
What it detects (1 labels)
- Chemical or drug
Quality
| Benchmark | BC4CHEMD · all models on this benchmark |
|---|---|
| F1 | 0.947 |
| Precision | 0.943 |
| Recall | 0.951 |
| Accuracy | 0.988 |
| Source | Reported by the authors (test_results.json in the repository) |
Chemical Entity Recognition - Identifies chemical compounds and substances in biomedical literature
Use it
pip install transformers torch
from transformers import pipeline
ner = pipeline("token-classification", model="OpenMed/OpenMed-NER-ChemicalDetect-SuperClinical-434M", 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-ChemicalDetect-SuperClinical-434M-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-ChemicalDetect-SuperClinical-434M", config=OpenMedConfig(backend="mlx"))
for e in result.entities:
print(e.label, e.text)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.