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OpenMed-NER-ChemicalDetect-SuperClinical-434M

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
F10.947
Precision0.943
Recall0.951
Accuracy0.988
SourceReported 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)

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