Models

English Models

Model	Base	Max Tokens	Example F1	Span F1
lettucedetect-base-modernbert-en-v1	ModernBERT-base	4K	76.8%	SOTA
lettucedetect-large-modernbert-en-v1	ModernBERT-large	4K	79.2%	SOTA

Multilingual Models

Model	Base	Languages	Max Tokens
lettucedetect-base-eurobert-multilingual-v1	EuroBERT-210M	en, de, fr, es, it, pl, cn	8K

TinyLettuce (Distilled)

Smaller models for resource-constrained environments. See TinyLettuce docs.

Using a Model

from lettucedetect.models.inference import HallucinationDetector

detector = HallucinationDetector(
    method="transformer",
    model_path="KRLabsOrg/lettucedetect-large-modernbert-en-v1"
)

Models are downloaded automatically from HuggingFace Hub on first use.