For what it’s worth I am getting acceptable results with multi-qa-MiniLM-L6-cos-v1.
My use case is primarily technical documentation embedding.
If you are using Docker, Weaviate has a pre-built image for this one. As well as others: GitHub - weaviate/t2v-transformers-models: This is the repo for the container that holds the models for the text2vec-transformers module