I've seen a number of projects come over the last couple years. I'm the author of txtai (https://github.com/neuml/txtai) which I started in 2020. How you approach performance is the key point.

You can write performant code in any language. For example, for standard keyword search, I wrote a component to make sparse/keyword search just as efficient as Apache Lucene in Python. https://neuml.hashnode.dev/building-an-efficient-sparse-keyw....