dragonkue/bge-reranker-v2-m3-ko (Quantized)
Description
This model is a quantized version of the original model dragonkue/bge-reranker-v2-m3-ko
.
It's quantized using the BitsAndBytes library to 4-bit using the bnb-my-repo space.
Quantization Details
- Quantization Type: int4
- bnb_4bit_quant_type: nf4
- bnb_4bit_use_double_quant: True
- bnb_4bit_compute_dtype: bfloat16
- bnb_4bit_quant_storage: uint8
📄 Original Model Information

Reranker (Cross-Encoder)
Different from embedding model, reranker uses question and document as input and directly output similarity instead of embedding. You can get a relevance score by inputting query and passage to the reranker. And the score can be mapped to a float value in [0,1] by sigmoid function.
Model Details
- Base model : BAAI/bge-reranker-v2-m3
- The multilingual model has been optimized for Korean.
Usage with Transformers
from transformers import AutoTokenizer, AutoModelForSequenceClassification
import torch
model = AutoModelForSequenceClassification.from_pretrained('dragonkue/bge-reranker-v2-m3-ko')
tokenizer = AutoTokenizer.from_pretrained('dragonkue/bge-reranker-v2-m3-ko')
features = tokenizer([['몇 년도에 지방세외수입법이 시행됐을까?', '실무교육을 통해 ‘지방세외수입법’에 대한 자치단체의 관심을 제고하고 자치단체의 차질 없는 업무 추진을 지원하였다. 이러한 준비과정을 거쳐 2014년 8월 7일부터 ‘지방세외수입법’이 시행되었다.'],
['몇 년도에 지방세외수입법이 시행됐을까?', '식품의약품안전처는 21일 국내 제약기업 유바이오로직스가 개발 중인 신종 코로나바이러스 감염증(코로나19) 백신 후보물질 ‘유코백-19’의 임상시험 계획을 지난 20일 승인했다고 밝혔다.']], padding=True, truncation=True, return_tensors="pt")
model.eval()
with torch.no_grad():
logits = model(**features).logits
scores = torch.sigmoid(logits)
print(scores)
# [9.9997962e-01 5.0702977e-07]
Usage with SentenceTransformers
First install the Sentence Transformers library:
pip install -U sentence-transformers
from sentence_transformers import CrossEncoder
model = CrossEncoder('dragonkue/bge-reranker-v2-m3-ko', default_activation_function=torch.nn.Sigmoid())
scores = model.predict([['몇 년도에 지방세외수입법이 시행됐을까?', '실무교육을 통해 ‘지방세외수입법’에 대한 자치단체의 관심을 제고하고 자치단체의 차질 없는 업무 추진을 지원하였다. 이러한 준비과정을 거쳐 2014년 8월 7일부터 ‘지방세외수입법’이 시행되었다.'],
['몇 년도에 지방세외수입법이 시행됐을까?', '식품의약품안전처는 21일 국내 제약기업 유바이오로직스가 개발 중인 신종 코로나바이러스 감염증(코로나19) 백신 후보물질 ‘유코백-19’의 임상시험 계획을 지난 20일 승인했다고 밝혔다.']])
print(scores)
# [9.9997962e-01 5.0702977e-07]
Usage with FlagEmbedding
First install the FlagEmbedding library:
pip install -U FlagEmbedding
from FlagEmbedding import FlagReranker
reranker = FlagReranker('dragonkue/bge-reranker-v2-m3-ko')
scores = reranker.compute_score([['몇 년도에 지방세외수입법이 시행됐을까?', '실무교육을 통해 ‘지방세외수입법’에 대한 자치단체의 관심을 제고하고 자치단체의 차질 없는 업무 추진을 지원하였다. 이러한 준비과정을 거쳐 2014년 8월 7일부터 ‘지방세외수입법’이 시행되었다.'],
['몇 년도에 지방세외수입법이 시행됐을까?', '식품의약품안전처는 21일 국내 제약기업 유바이오로직스가 개발 중인 신종 코로나바이러스 감염증(코로나19) 백신 후보물질 ‘유코백-19’의 임상시험 계획을 지난 20일 승인했다고 밝혔다.']], normalize=True)
print(scores)
# [9.9997962e-01 5.0702977e-07]
Fine-tune
Refer to https://github.com/FlagOpen/FlagEmbedding
Evaluation
Bi-encoder and Cross-encoder
Bi-Encoders convert texts into fixed-size vectors and efficiently calculate similarities between them. They are fast and ideal for tasks like semantic search and classification, making them suitable for processing large datasets quickly.
Cross-Encoders directly compare pairs of texts to compute similarity scores, providing more accurate results. While they are slower due to needing to process each pair, they excel in re-ranking top results and are important in Advanced RAG techniques for enhancing text generation.
Korean Embedding Benchmark with AutoRAG
(https://github.com/Marker-Inc-Korea/AutoRAG-example-korean-embedding-benchmark)
This is a Korean embedding benchmark for the financial sector.
Top-k 1
Bi-Encoder (Sentence Transformer)
Model name | F1 | Recall | Precision |
---|---|---|---|
paraphrase-multilingual-mpnet-base-v2 | 0.3596 | 0.3596 | 0.3596 |
KoSimCSE-roberta | 0.4298 | 0.4298 | 0.4298 |
Cohere embed-multilingual-v3.0 | 0.3596 | 0.3596 | 0.3596 |
openai ada 002 | 0.4737 | 0.4737 | 0.4737 |
multilingual-e5-large-instruct | 0.4649 | 0.4649 | 0.4649 |
Upstage Embedding | 0.6579 | 0.6579 | 0.6579 |
paraphrase-multilingual-MiniLM-L12-v2 | 0.2982 | 0.2982 | 0.2982 |
openai_embed_3_small | 0.5439 | 0.5439 | 0.5439 |
ko-sroberta-multitask | 0.4211 | 0.4211 | 0.4211 |
openai_embed_3_large | 0.6053 | 0.6053 | 0.6053 |
KU-HIAI-ONTHEIT-large-v1 | 0.7105 | 0.7105 | 0.7105 |
KU-HIAI-ONTHEIT-large-v1.1 | 0.7193 | 0.7193 | 0.7193 |
kf-deberta-multitask | 0.4561 | 0.4561 | 0.4561 |
gte-multilingual-base | 0.5877 | 0.5877 | 0.5877 |
KoE5 | 0.7018 | 0.7018 | 0.7018 |
BGE-m3 | 0.6578 | 0.6578 | 0.6578 |
bge-m3-korean | 0.5351 | 0.5351 | 0.5351 |
BGE-m3-ko | 0.7456 | 0.7456 | 0.7456 |
Cross-Encoder (Reranker)
Model name | F1 | Recall | Precision |
---|---|---|---|
gte-multilingual-reranker-base | 0.7281 | 0.7281 | 0.7281 |
jina-reranker-v2-base-multilingual | 0.8070 | 0.8070 | 0.8070 |
bge-reranker-v2-m3 | 0.8772 | 0.8772 | 0.8772 |
upskyy/ko-reranker-8k | 0.8684 | 0.8684 | 0.8684 |
upskyy/ko-reranker | 0.8333 | 0.8333 | 0.8333 |
mncai/bge-ko-reranker-560M | 0.0088 | 0.0088 | 0.0088 |
Dongjin-kr/ko-reranker | 0.8509 | 0.8509 | 0.8509 |
bge-reranker-v2-m3-ko | 0.9123 | 0.9123 | 0.9123 |
Top-k 3
Bi-Encoder (Sentence Transformer)
Model name | F1 | Recall | Precision |
---|---|---|---|
paraphrase-multilingual-mpnet-base-v2 | 0.2368 | 0.4737 | 0.1579 |
KoSimCSE-roberta | 0.3026 | 0.6053 | 0.2018 |
Cohere embed-multilingual-v3.0 | 0.2851 | 0.5702 | 0.1901 |
openai ada 002 | 0.3553 | 0.7105 | 0.2368 |
multilingual-e5-large-instruct | 0.3333 | 0.6667 | 0.2222 |
Upstage Embedding | 0.4211 | 0.8421 | 0.2807 |
paraphrase-multilingual-MiniLM-L12-v2 | 0.2061 | 0.4123 | 0.1374 |
openai_embed_3_small | 0.3640 | 0.7281 | 0.2427 |
ko-sroberta-multitask | 0.2939 | 0.5877 | 0.1959 |
openai_embed_3_large | 0.3947 | 0.7895 | 0.2632 |
KU-HIAI-ONTHEIT-large-v1 | 0.4386 | 0.8772 | 0.2924 |
KU-HIAI-ONTHEIT-large-v1.1 | 0.4430 | 0.8860 | 0.2953 |
kf-deberta-multitask | 0.3158 | 0.6316 | 0.2105 |
gte-multilingual-base | 0.4035 | 0.8070 | 0.2690 |
KoE5 | 0.4254 | 0.8509 | 0.2836 |
BGE-m3 | 0.4254 | 0.8508 | 0.2836 |
bge-m3-korean | 0.3684 | 0.7368 | 0.2456 |
BGE-m3-ko | 0.4517 | 0.9035 | 0.3011 |
Cross-Encoder (Reranker)
Model name | F1 | Recall | Precision |
---|---|---|---|
gte-multilingual-reranker-base | 0.4605 | 0.9211 | 0.3070 |
jina-reranker-v2-base-multilingual | 0.4649 | 0.9298 | 0.3099 |
bge-reranker-v2-m3 | 0.4781 | 0.9561 | 0.3187 |
upskyy/ko-reranker-8k | 0.4781 | 0.9561 | 0.3187 |
upskyy/ko-reranker | 0.4649 | 0.9298 | 0.3099 |
mncai/bge-ko-reranker-560M | 0.0044 | 0.0088 | 0.0029 |
Dongjin-kr/ko-reranker | 0.4737 | 0.9474 | 0.3158 |
bge-reranker-v2-m3-ko | 0.4825 | 0.9649 | 0.3216 |
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Base model
BAAI/bge-reranker-v2-m3