Elasticsearch now has that in versions 7.3 and later https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html https://www.elastic.co/guide/en

Elasticsearch now has that in versions 7.3 and later https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html https://www.elastic.co/guide/en/elasticsearch/reference/curr... The vectors are only used for scoring, not matching, but they are working on a ANN model for that.