AnglE📐: Angle-optimized Text Embeddings

It is Angle 📐, not Angel 👼.

🔥 A New SOTA Model for Semantic Textual Similarity!

Github: https://github.com/SeanLee97/AnglE

STS Results

Model	STS12	STS13	STS14	STS15	STS16	STSBenchmark	SICKRelatedness	Avg.
SeanLee97/angle-llama-7b-nli-20231027	78.68	90.58	85.49	89.56	86.91	88.92	81.18	85.90
SeanLee97/angle-llama-7b-nli-v2	79.00	90.56	85.79	89.43	87.00	88.97	80.94	85.96
SeanLee97/angle-bert-base-uncased-nli-en-v1	75.09	85.56	80.66	86.44	82.47	85.16	81.23	82.37

Usage

from angle_emb import AnglE

angle = AnglE.from_pretrained('SeanLee97/angle-bert-base-uncased-nli-en-v1', pooling_strategy='cls_avg').cuda()
vec = angle.encode('hello world', to_numpy=True)
print(vec)
vecs = angle.encode(['hello world1', 'hello world2'], to_numpy=True)
print(vecs)

Citation

You are welcome to use our code and pre-trained models. If you use our code and pre-trained models, please support us by citing our work as follows:

@article{li2023angle,
  title={AnglE-Optimized Text Embeddings},
  author={Li, Xianming and Li, Jing},
  journal={arXiv preprint arXiv:2309.12871},
  year={2023}
}