[You're right](https://github.com/pgvector/pgvector/blob/0ce497a1b177709bc49ff8bd2f3e641fe3fd13cd/README.md?plain=1#L191)! Thanks for bringing it to my attention. I wasn't even aware of that extension. 

I've been disappointed by pg's fts in the past so I didn't consider using pg for this, but we could make better use of the embeddings if they were in pg. 



k00b

shyfire

SN release: semantic search

We like using OpenSearch for search stuff so we store them there. I’m not sure if Postgres supports k-nn in arbitrary dimensions.