Name: rubert-tiny-lite
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Быстрая модель BERT для русского языка с размером ембеддинга 256 и длиной контекста 512. Модель получена методом последовательной дистилляции моделей sergeyzh/rubert-tiny-turbo и BAAI/bge-m3. Выигрывает по скорости у rubert-tiny-turbo при аналогичном качестве на CPU в ~x1.4, на GPU в ~x1.2 раза.

Использование

Python

from sentence_transformers import SentenceTransformer

model = SentenceTransformer('sergeyzh/rubert-tiny-lite')

sentences = ["привет мир", "hello world", "здравствуй вселенная"]
embeddings = model.encode(sentences)

print(model.similarity(embeddings, embeddings))

Метрики

Оценки модели на бенчмарке encodechka:

model	STS	PI	NLI	SA	TI
BAAI/bge-m3	0.864	0.749	0.510	0.819	0.973
intfloat/multilingual-e5-large	0.862	0.727	0.473	0.810	0.979
sergeyzh/rubert-tiny-lite	0.839	0.712	0.488	0.788	0.949
intfloat/multilingual-e5-base	0.835	0.704	0.459	0.796	0.964
sergeyzh/rubert-tiny-turbo	0.828	0.722	0.476	0.787	0.955
intfloat/multilingual-e5-small	0.822	0.714	0.457	0.758	0.957
cointegrated/rubert-tiny2	0.750	0.651	0.417	0.737	0.937

Оценки модели на бенчмарке ruMTEB:

Model Name	Metric	rubert-tiny2	rubert-tiny-turbo	rubert-tiny-lite	multilingual-e5-small	multilingual-e5-base	multilingual-e5-large
CEDRClassification	Accuracy	0.369	0.390	0.407	0.401	0.423	0.448
GeoreviewClassification	Accuracy	0.396	0.414	0.423	0.447	0.461	0.497
GeoreviewClusteringP2P	V-measure	0.442	0.597	0.611	0.586	0.545	0.605
HeadlineClassification	Accuracy	0.742	0.686	0.652	0.732	0.757	0.758
InappropriatenessClassification	Accuracy	0.586	0.591	0.588	0.592	0.588	0.616
KinopoiskClassification	Accuracy	0.491	0.505	0.507	0.500	0.509	0.566
RiaNewsRetrieval	NDCG@10	0.140	0.513	0.617	0.700	0.702	0.807
RuBQReranking	MAP@10	0.461	0.622	0.631	0.715	0.720	0.756
RuBQRetrieval	NDCG@10	0.109	0.517	0.511	0.685	0.696	0.741
RuReviewsClassification	Accuracy	0.570	0.607	0.615	0.612	0.630	0.653
RuSTSBenchmarkSTS	Pearson correlation	0.694	0.787	0.799	0.781	0.796	0.831
RuSciBenchGRNTIClassification	Accuracy	0.456	0.529	0.544	0.550	0.563	0.582
RuSciBenchGRNTIClusteringP2P	V-measure	0.414	0.481	0.510	0.511	0.516	0.520
RuSciBenchOECDClassification	Accuracy	0.355	0.415	0.424	0.427	0.423	0.445
RuSciBenchOECDClusteringP2P	V-measure	0.381	0.411	0.438	0.443	0.448	0.450
SensitiveTopicsClassification	Accuracy	0.220	0.244	0.282	0.228	0.234	0.257
TERRaClassification	Average Precision	0.519	0.563	0.574	0.551	0.550	0.584

Model Name	Metric	rubert-tiny2	rubert-tiny-turbo	rubert-tiny-lite	multilingual-e5-small	multilingual-e5-base	multilingual-e5-large
Classification	Accuracy	0.514	0.535	0.536	0.551	0.561	0.588
Clustering	V-measure	0.412	0.496	0.520	0.513	0.503	0.525
MultiLabelClassification	Accuracy	0.294	0.317	0.344	0.314	0.329	0.353
PairClassification	Average Precision	0.519	0.563	0.574	0.551	0.550	0.584
Reranking	MAP@10	0.461	0.622	0.631	0.715	0.720	0.756
Retrieval	NDCG@10	0.124	0.515	0.564	0.697	0.699	0.774
STS	Pearson correlation	0.694	0.787	0.799	0.781	0.796	0.831
Average	Average	0.431	0.548	0.567	0.588	0.594	0.630