As of today (Jan 25th, 2024) BaichuanTextEmbeddings ranks #1 in C-MTEB (Chinese Multi-Task Embedding Benchmark) leaderboard. Leaderboard (Under Overall -> Chinese section): https://huggingface.co/spaces/mteb/leaderboard Official Website: https://platform.baichuan-ai.com/docs/text-Embedding An API key is required to use this embedding model. You can get one by registering at https://platform.baichuan-ai.com/docs/text-Embedding. BaichuanTextEmbeddings support 512 token window and preduces vectors with 1024 dimensions. Please NOTE that BaichuanTextEmbeddings only supports Chinese text embedding. Multi-language support is coming soon. 
from langchain_community.embeddings import BaichuanTextEmbeddings

embeddings = BaichuanTextEmbeddings(baichuan_api_key="sk-*")
Alternatively, you can set API key this way: 
import os

os.environ["BAICHUAN_API_KEY"] = "YOUR_API_KEY"

text_1 = "今天天气不错"
text_2 = "今天阳光很好"

query_result = embeddings.embed_query(text_1)
query_result

doc_result = embeddings.embed_documents([text_1, text_2])
doc_result